From 61f693f89b49413eeb21a21e98012fa7a2e2fe48 Mon Sep 17 00:00:00 2001
From: Evan Burkey <evan@burkey.co>
Date: Tue, 21 Dec 2021 06:23:04 -0800
Subject: [PATCH] update to latest libflint

---
 .gitmodules   | 2 +-
 generator.sh  | 2 +-
 lib/libflint  | 2 +-
 src/2015/01.c | 2 +-
 src/2015/02.c | 2 +-
 src/2015/03.c | 4 ++--
 src/2015/04.c | 2 +-
 src/2015/06.c | 2 +-
 src/2015/07.c | 2 +-
 src/2015/08.c | 2 +-
 src/2015/09.c | 2 +-
 src/2015/10.c | 2 +-
 src/2015/11.c | 2 +-
 src/2015/12.c | 2 +-
 src/2015/13.c | 2 +-
 src/2015/14.c | 2 +-
 src/2015/15.c | 2 +-
 src/2015/16.c | 2 +-
 src/2015/17.c | 2 +-
 src/2015/18.c | 2 +-
 src/2015/19.c | 2 +-
 src/2015/20.c | 2 +-
 src/2015/21.c | 2 +-
 src/2015/22.c | 2 +-
 src/2015/23.c | 2 +-
 src/2015/24.c | 2 +-
 src/2015/25.c | 2 +-
 src/2016/01.c | 2 +-
 src/2016/02.c | 2 +-
 src/2016/03.c | 2 +-
 src/2016/04.c | 2 +-
 src/2016/05.c | 2 +-
 src/2016/06.c | 2 +-
 src/2016/07.c | 2 +-
 src/2016/08.c | 2 +-
 src/2016/09.c | 2 +-
 src/2016/10.c | 2 +-
 src/2016/11.c | 2 +-
 src/2016/12.c | 2 +-
 src/2016/13.c | 2 +-
 src/2016/14.c | 2 +-
 src/2016/15.c | 2 +-
 src/2016/16.c | 2 +-
 src/2016/17.c | 2 +-
 src/2016/18.c | 2 +-
 src/2016/19.c | 2 +-
 src/2016/20.c | 2 +-
 src/2016/21.c | 2 +-
 src/2016/22.c | 2 +-
 src/2016/23.c | 2 +-
 src/2016/24.c | 2 +-
 src/2016/25.c | 2 +-
 src/2017/01.c | 2 +-
 src/2017/02.c | 2 +-
 src/2017/03.c | 2 +-
 src/2017/04.c | 2 +-
 src/2017/05.c | 2 +-
 src/2017/06.c | 2 +-
 src/2017/07.c | 2 +-
 src/2017/08.c | 2 +-
 src/2017/09.c | 2 +-
 src/2017/10.c | 2 +-
 src/2017/11.c | 2 +-
 src/2017/12.c | 2 +-
 src/2017/13.c | 2 +-
 src/2017/14.c | 2 +-
 src/2017/15.c | 2 +-
 src/2017/16.c | 2 +-
 src/2017/17.c | 2 +-
 src/2017/18.c | 2 +-
 src/2017/19.c | 2 +-
 src/2017/20.c | 2 +-
 src/2017/21.c | 2 +-
 src/2017/22.c | 2 +-
 src/2017/23.c | 2 +-
 src/2017/24.c | 2 +-
 src/2017/25.c | 2 +-
 src/2018/01.c | 2 +-
 src/2018/02.c | 2 +-
 src/2018/03.c | 2 +-
 src/2018/04.c | 2 +-
 src/2018/05.c | 2 +-
 src/2018/06.c | 2 +-
 src/2018/07.c | 2 +-
 src/2018/08.c | 2 +-
 src/2018/09.c | 2 +-
 src/2018/10.c | 2 +-
 src/2018/11.c | 2 +-
 src/2018/12.c | 2 +-
 src/2018/13.c | 2 +-
 src/2018/14.c | 2 +-
 src/2018/15.c | 2 +-
 src/2018/16.c | 2 +-
 src/2018/17.c | 2 +-
 src/2018/18.c | 2 +-
 src/2018/19.c | 2 +-
 src/2018/20.c | 2 +-
 src/2018/21.c | 2 +-
 src/2018/22.c | 2 +-
 src/2018/23.c | 2 +-
 src/2018/24.c | 2 +-
 src/2018/25.c | 2 +-
 src/2019/01.c | 2 +-
 src/2019/02.c | 2 +-
 src/2019/03.c | 2 +-
 src/2019/04.c | 2 +-
 src/2019/05.c | 2 +-
 src/2019/06.c | 2 +-
 src/2019/07.c | 2 +-
 src/2019/08.c | 2 +-
 src/2019/09.c | 2 +-
 src/2019/10.c | 2 +-
 src/2019/11.c | 2 +-
 src/2019/12.c | 2 +-
 src/2019/13.c | 2 +-
 src/2019/14.c | 2 +-
 src/2019/15.c | 2 +-
 src/2019/16.c | 2 +-
 src/2019/17.c | 2 +-
 src/2019/18.c | 2 +-
 src/2019/19.c | 2 +-
 src/2019/20.c | 2 +-
 src/2019/21.c | 2 +-
 src/2019/22.c | 2 +-
 src/2019/23.c | 2 +-
 src/2019/24.c | 2 +-
 src/2019/25.c | 2 +-
 src/2020/01.c | 2 +-
 src/2020/02.c | 2 +-
 src/2020/03.c | 2 +-
 src/2020/04.c | 2 +-
 src/2020/05.c | 2 +-
 src/2020/06.c | 2 +-
 src/2020/07.c | 2 +-
 src/2020/08.c | 2 +-
 src/2020/09.c | 2 +-
 src/2020/10.c | 2 +-
 src/2020/11.c | 2 +-
 src/2020/12.c | 2 +-
 src/2020/13.c | 2 +-
 src/2020/14.c | 2 +-
 src/2020/15.c | 2 +-
 src/2020/16.c | 2 +-
 src/2020/17.c | 2 +-
 src/2020/18.c | 2 +-
 src/2020/19.c | 2 +-
 src/2020/20.c | 2 +-
 src/2020/21.c | 2 +-
 src/2020/22.c | 2 +-
 src/2020/23.c | 2 +-
 src/2020/24.c | 2 +-
 src/2020/25.c | 2 +-
 src/2021/01.c | 2 +-
 src/2021/02.c | 2 +-
 src/2021/03.c | 9 ++++++---
 src/2021/04.c | 2 +-
 src/2021/05.c | 2 +-
 src/2021/06.c | 2 +-
 src/2021/07.c | 2 +-
 src/2021/08.c | 2 +-
 src/2021/09.c | 2 +-
 src/2021/10.c | 2 +-
 src/2021/11.c | 2 +-
 src/2021/12.c | 2 +-
 src/2021/13.c | 2 +-
 src/2021/14.c | 2 +-
 src/2021/15.c | 2 +-
 src/2021/16.c | 2 +-
 src/2021/17.c | 2 +-
 src/2021/18.c | 2 +-
 src/2021/19.c | 2 +-
 src/2021/20.c | 2 +-
 src/2021/21.c | 2 +-
 src/2021/22.c | 2 +-
 src/2021/23.c | 2 +-
 src/2021/24.c | 2 +-
 src/2021/25.c | 2 +-
 177 files changed, 183 insertions(+), 180 deletions(-)

diff --git a/.gitmodules b/.gitmodules
index d10f080..7bcf405 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "lib/libflint"]
 	path = lib/libflint
-	url = https://git.sr.ht/~fputs/libflint
+	url = https://git.fputs.com/fputs/libflint
diff --git a/generator.sh b/generator.sh
index de36cc1..395674b 100755
--- a/generator.sh
+++ b/generator.sh
@@ -78,7 +78,7 @@ EOF
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent${year}day${d}(void) {
   char *input = get_input("input/${year}/${d}");
diff --git a/lib/libflint b/lib/libflint
index fa9b383..1cf3ae7 160000
--- a/lib/libflint
+++ b/lib/libflint
@@ -1 +1 @@
-Subproject commit fa9b383c437ba88a108fff200fdfd245d859ab54
+Subproject commit 1cf3ae727043a834a3d05bfaed1ea0badb3f282e
diff --git a/src/2015/01.c b/src/2015/01.c
index c5220be..0cba358 100644
--- a/src/2015/01.c
+++ b/src/2015/01.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day01(void) {
     char *input = get_input("input/2015/01");
diff --git a/src/2015/02.c b/src/2015/02.c
index 2a1bcfb..0a85243 100644
--- a/src/2015/02.c
+++ b/src/2015/02.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "input.h"
+#include "lfinput.h"
 #include "math.h"
 
 void advent2015day02(void) {
diff --git a/src/2015/03.c b/src/2015/03.c
index aacbc5e..0a95b7b 100644
--- a/src/2015/03.c
+++ b/src/2015/03.c
@@ -1,8 +1,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "set.h"
-#include "input.h"
+#include "lfset.h"
+#include "lfinput.h"
 #include "advent_utility.h"
 
 static int part_two(char *input) {
diff --git a/src/2015/04.c b/src/2015/04.c
index 9381c57..9e6364b 100644
--- a/src/2015/04.c
+++ b/src/2015/04.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "input.h"
+#include "lfinput.h"
 #include "advent_utility.h"
 
 static int is_five(char *test) {
diff --git a/src/2015/06.c b/src/2015/06.c
index 924e0d8..c098d46 100644
--- a/src/2015/06.c
+++ b/src/2015/06.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day06(void) {
   char *input = get_input("input/2015/06");
diff --git a/src/2015/07.c b/src/2015/07.c
index 167358f..21ddc92 100644
--- a/src/2015/07.c
+++ b/src/2015/07.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day07(void) {
   char *input = get_input("input/2015/07");
diff --git a/src/2015/08.c b/src/2015/08.c
index 9299cee..701c3b5 100644
--- a/src/2015/08.c
+++ b/src/2015/08.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day08(void) {
   char *input = get_input("input/2015/08");
diff --git a/src/2015/09.c b/src/2015/09.c
index 681cf47..095045a 100644
--- a/src/2015/09.c
+++ b/src/2015/09.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day09(void) {
   char *input = get_input("input/2015/09");
diff --git a/src/2015/10.c b/src/2015/10.c
index c347b03..592a25c 100644
--- a/src/2015/10.c
+++ b/src/2015/10.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day10(void) {
   char *input = get_input("input/2015/10");
diff --git a/src/2015/11.c b/src/2015/11.c
index 9495cc5..2aa3ec1 100644
--- a/src/2015/11.c
+++ b/src/2015/11.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day11(void) {
   char *input = get_input("input/2015/11");
diff --git a/src/2015/12.c b/src/2015/12.c
index efeb5fa..21bab89 100644
--- a/src/2015/12.c
+++ b/src/2015/12.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day12(void) {
   char *input = get_input("input/2015/12");
diff --git a/src/2015/13.c b/src/2015/13.c
index a0d6e1a..29311cc 100644
--- a/src/2015/13.c
+++ b/src/2015/13.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day13(void) {
   char *input = get_input("input/2015/13");
diff --git a/src/2015/14.c b/src/2015/14.c
index cf3cfa7..3954bd3 100644
--- a/src/2015/14.c
+++ b/src/2015/14.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day14(void) {
   char *input = get_input("input/2015/14");
diff --git a/src/2015/15.c b/src/2015/15.c
index ada60f1..1e330f3 100644
--- a/src/2015/15.c
+++ b/src/2015/15.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day15(void) {
   char *input = get_input("input/2015/15");
diff --git a/src/2015/16.c b/src/2015/16.c
index 3c2a85f..986affb 100644
--- a/src/2015/16.c
+++ b/src/2015/16.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day16(void) {
   char *input = get_input("input/2015/16");
diff --git a/src/2015/17.c b/src/2015/17.c
index 5685634..f3ba9d1 100644
--- a/src/2015/17.c
+++ b/src/2015/17.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day17(void) {
   char *input = get_input("input/2015/17");
diff --git a/src/2015/18.c b/src/2015/18.c
index 6a5142c..53bffb2 100644
--- a/src/2015/18.c
+++ b/src/2015/18.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day18(void) {
   char *input = get_input("input/2015/18");
diff --git a/src/2015/19.c b/src/2015/19.c
index ae0d2c8..a5d9e18 100644
--- a/src/2015/19.c
+++ b/src/2015/19.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day19(void) {
   char *input = get_input("input/2015/19");
diff --git a/src/2015/20.c b/src/2015/20.c
index 759c970..ec8d51a 100644
--- a/src/2015/20.c
+++ b/src/2015/20.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day20(void) {
   char *input = get_input("input/2015/20");
diff --git a/src/2015/21.c b/src/2015/21.c
index 351d962..3faaab8 100644
--- a/src/2015/21.c
+++ b/src/2015/21.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day21(void) {
   char *input = get_input("input/2015/21");
diff --git a/src/2015/22.c b/src/2015/22.c
index 6f0fec7..f1a4022 100644
--- a/src/2015/22.c
+++ b/src/2015/22.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day22(void) {
   char *input = get_input("input/2015/22");
diff --git a/src/2015/23.c b/src/2015/23.c
index 257e3f8..bd37d26 100644
--- a/src/2015/23.c
+++ b/src/2015/23.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day23(void) {
   char *input = get_input("input/2015/23");
diff --git a/src/2015/24.c b/src/2015/24.c
index 3fd6a89..e4282c8 100644
--- a/src/2015/24.c
+++ b/src/2015/24.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day24(void) {
   char *input = get_input("input/2015/24");
diff --git a/src/2015/25.c b/src/2015/25.c
index b4e747a..a91353f 100644
--- a/src/2015/25.c
+++ b/src/2015/25.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2015day25(void) {
   char *input = get_input("input/2015/25");
diff --git a/src/2016/01.c b/src/2016/01.c
index 15bd17d..b0b9ff5 100644
--- a/src/2016/01.c
+++ b/src/2016/01.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day01(void) {
   char *input = get_input("input/2016/01");
diff --git a/src/2016/02.c b/src/2016/02.c
index 928ce4f..2702e2a 100644
--- a/src/2016/02.c
+++ b/src/2016/02.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day02(void) {
   char *input = get_input("input/2016/02");
diff --git a/src/2016/03.c b/src/2016/03.c
index 298f459..ac2dd69 100644
--- a/src/2016/03.c
+++ b/src/2016/03.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day03(void) {
   char *input = get_input("input/2016/03");
diff --git a/src/2016/04.c b/src/2016/04.c
index fe7f664..0674789 100644
--- a/src/2016/04.c
+++ b/src/2016/04.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day04(void) {
   char *input = get_input("input/2016/04");
diff --git a/src/2016/05.c b/src/2016/05.c
index a8a3b07..06c72c9 100644
--- a/src/2016/05.c
+++ b/src/2016/05.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day05(void) {
   char *input = get_input("input/2016/05");
diff --git a/src/2016/06.c b/src/2016/06.c
index b7544e4..90c6bd8 100644
--- a/src/2016/06.c
+++ b/src/2016/06.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day06(void) {
   char *input = get_input("input/2016/06");
diff --git a/src/2016/07.c b/src/2016/07.c
index 24af30f..49affa0 100644
--- a/src/2016/07.c
+++ b/src/2016/07.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day07(void) {
   char *input = get_input("input/2016/07");
diff --git a/src/2016/08.c b/src/2016/08.c
index b78d7c2..26cf10c 100644
--- a/src/2016/08.c
+++ b/src/2016/08.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day08(void) {
   char *input = get_input("input/2016/08");
diff --git a/src/2016/09.c b/src/2016/09.c
index 8eebd28..ed41a8a 100644
--- a/src/2016/09.c
+++ b/src/2016/09.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day09(void) {
   char *input = get_input("input/2016/09");
diff --git a/src/2016/10.c b/src/2016/10.c
index 082fb29..27cc189 100644
--- a/src/2016/10.c
+++ b/src/2016/10.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day10(void) {
   char *input = get_input("input/2016/10");
diff --git a/src/2016/11.c b/src/2016/11.c
index b068ab7..a0a33b2 100644
--- a/src/2016/11.c
+++ b/src/2016/11.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day11(void) {
   char *input = get_input("input/2016/11");
diff --git a/src/2016/12.c b/src/2016/12.c
index 718643c..59913b7 100644
--- a/src/2016/12.c
+++ b/src/2016/12.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day12(void) {
   char *input = get_input("input/2016/12");
diff --git a/src/2016/13.c b/src/2016/13.c
index a813854..aacf354 100644
--- a/src/2016/13.c
+++ b/src/2016/13.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day13(void) {
   char *input = get_input("input/2016/13");
diff --git a/src/2016/14.c b/src/2016/14.c
index 043950f..cda927e 100644
--- a/src/2016/14.c
+++ b/src/2016/14.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day14(void) {
   char *input = get_input("input/2016/14");
diff --git a/src/2016/15.c b/src/2016/15.c
index ae15efd..b27e60d 100644
--- a/src/2016/15.c
+++ b/src/2016/15.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day15(void) {
   char *input = get_input("input/2016/15");
diff --git a/src/2016/16.c b/src/2016/16.c
index 94dec32..cbca3f9 100644
--- a/src/2016/16.c
+++ b/src/2016/16.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day16(void) {
   char *input = get_input("input/2016/16");
diff --git a/src/2016/17.c b/src/2016/17.c
index 7df5494..a2a4a17 100644
--- a/src/2016/17.c
+++ b/src/2016/17.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day17(void) {
   char *input = get_input("input/2016/17");
diff --git a/src/2016/18.c b/src/2016/18.c
index 85f5f87..be89f00 100644
--- a/src/2016/18.c
+++ b/src/2016/18.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day18(void) {
   char *input = get_input("input/2016/18");
diff --git a/src/2016/19.c b/src/2016/19.c
index dcfc5ca..45671ef 100644
--- a/src/2016/19.c
+++ b/src/2016/19.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day19(void) {
   char *input = get_input("input/2016/19");
diff --git a/src/2016/20.c b/src/2016/20.c
index 17ae663..09969cc 100644
--- a/src/2016/20.c
+++ b/src/2016/20.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day20(void) {
   char *input = get_input("input/2016/20");
diff --git a/src/2016/21.c b/src/2016/21.c
index 95bdf34..cedc0b0 100644
--- a/src/2016/21.c
+++ b/src/2016/21.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day21(void) {
   char *input = get_input("input/2016/21");
diff --git a/src/2016/22.c b/src/2016/22.c
index f2078fc..e84bbab 100644
--- a/src/2016/22.c
+++ b/src/2016/22.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day22(void) {
   char *input = get_input("input/2016/22");
diff --git a/src/2016/23.c b/src/2016/23.c
index 939fea7..81b9f7a 100644
--- a/src/2016/23.c
+++ b/src/2016/23.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day23(void) {
   char *input = get_input("input/2016/23");
diff --git a/src/2016/24.c b/src/2016/24.c
index a47f7ea..85ae84c 100644
--- a/src/2016/24.c
+++ b/src/2016/24.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day24(void) {
   char *input = get_input("input/2016/24");
diff --git a/src/2016/25.c b/src/2016/25.c
index 1eda931..192a88f 100644
--- a/src/2016/25.c
+++ b/src/2016/25.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2016day25(void) {
   char *input = get_input("input/2016/25");
diff --git a/src/2017/01.c b/src/2017/01.c
index 5c3711d..0f66113 100644
--- a/src/2017/01.c
+++ b/src/2017/01.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day01(void) {
   char *input = get_input("input/2017/01");
diff --git a/src/2017/02.c b/src/2017/02.c
index 9b419c6..7aba5ac 100644
--- a/src/2017/02.c
+++ b/src/2017/02.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day02(void) {
   char *input = get_input("input/2017/02");
diff --git a/src/2017/03.c b/src/2017/03.c
index b3299ee..a5452ae 100644
--- a/src/2017/03.c
+++ b/src/2017/03.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day03(void) {
   char *input = get_input("input/2017/03");
diff --git a/src/2017/04.c b/src/2017/04.c
index 7a72db2..1728aa3 100644
--- a/src/2017/04.c
+++ b/src/2017/04.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day04(void) {
   char *input = get_input("input/2017/04");
diff --git a/src/2017/05.c b/src/2017/05.c
index 895f3ed..ba48d43 100644
--- a/src/2017/05.c
+++ b/src/2017/05.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day05(void) {
   char *input = get_input("input/2017/05");
diff --git a/src/2017/06.c b/src/2017/06.c
index daa88c0..6e8cd8c 100644
--- a/src/2017/06.c
+++ b/src/2017/06.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day06(void) {
   char *input = get_input("input/2017/06");
diff --git a/src/2017/07.c b/src/2017/07.c
index ccf6c64..38b53b8 100644
--- a/src/2017/07.c
+++ b/src/2017/07.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day07(void) {
   char *input = get_input("input/2017/07");
diff --git a/src/2017/08.c b/src/2017/08.c
index 1e76bd7..f83937c 100644
--- a/src/2017/08.c
+++ b/src/2017/08.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day08(void) {
   char *input = get_input("input/2017/08");
diff --git a/src/2017/09.c b/src/2017/09.c
index 586c066..4bc248f 100644
--- a/src/2017/09.c
+++ b/src/2017/09.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day09(void) {
   char *input = get_input("input/2017/09");
diff --git a/src/2017/10.c b/src/2017/10.c
index 0aad18b..80cf3eb 100644
--- a/src/2017/10.c
+++ b/src/2017/10.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day10(void) {
   char *input = get_input("input/2017/10");
diff --git a/src/2017/11.c b/src/2017/11.c
index 4b9f96b..5a636ab 100644
--- a/src/2017/11.c
+++ b/src/2017/11.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day11(void) {
   char *input = get_input("input/2017/11");
diff --git a/src/2017/12.c b/src/2017/12.c
index 3652f71..d95728c 100644
--- a/src/2017/12.c
+++ b/src/2017/12.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day12(void) {
   char *input = get_input("input/2017/12");
diff --git a/src/2017/13.c b/src/2017/13.c
index e8ebf26..1cdadd8 100644
--- a/src/2017/13.c
+++ b/src/2017/13.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day13(void) {
   char *input = get_input("input/2017/13");
diff --git a/src/2017/14.c b/src/2017/14.c
index 446db75..e07cd7c 100644
--- a/src/2017/14.c
+++ b/src/2017/14.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day14(void) {
   char *input = get_input("input/2017/14");
diff --git a/src/2017/15.c b/src/2017/15.c
index db8b236..11af96b 100644
--- a/src/2017/15.c
+++ b/src/2017/15.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day15(void) {
   char *input = get_input("input/2017/15");
diff --git a/src/2017/16.c b/src/2017/16.c
index 822d0a8..d0180ca 100644
--- a/src/2017/16.c
+++ b/src/2017/16.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day16(void) {
   char *input = get_input("input/2017/16");
diff --git a/src/2017/17.c b/src/2017/17.c
index 0009b1c..af365e9 100644
--- a/src/2017/17.c
+++ b/src/2017/17.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day17(void) {
   char *input = get_input("input/2017/17");
diff --git a/src/2017/18.c b/src/2017/18.c
index 0218e07..6399104 100644
--- a/src/2017/18.c
+++ b/src/2017/18.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day18(void) {
   char *input = get_input("input/2017/18");
diff --git a/src/2017/19.c b/src/2017/19.c
index 04d089b..fb8c90d 100644
--- a/src/2017/19.c
+++ b/src/2017/19.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day19(void) {
   char *input = get_input("input/2017/19");
diff --git a/src/2017/20.c b/src/2017/20.c
index 69fdba7..84098fe 100644
--- a/src/2017/20.c
+++ b/src/2017/20.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day20(void) {
   char *input = get_input("input/2017/20");
diff --git a/src/2017/21.c b/src/2017/21.c
index 03d1585..a2ba692 100644
--- a/src/2017/21.c
+++ b/src/2017/21.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day21(void) {
   char *input = get_input("input/2017/21");
diff --git a/src/2017/22.c b/src/2017/22.c
index 547acc3..f408d72 100644
--- a/src/2017/22.c
+++ b/src/2017/22.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day22(void) {
   char *input = get_input("input/2017/22");
diff --git a/src/2017/23.c b/src/2017/23.c
index 9729ddc..08a2723 100644
--- a/src/2017/23.c
+++ b/src/2017/23.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day23(void) {
   char *input = get_input("input/2017/23");
diff --git a/src/2017/24.c b/src/2017/24.c
index f053cab..3c004ce 100644
--- a/src/2017/24.c
+++ b/src/2017/24.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day24(void) {
   char *input = get_input("input/2017/24");
diff --git a/src/2017/25.c b/src/2017/25.c
index 0acfe48..270e5d3 100644
--- a/src/2017/25.c
+++ b/src/2017/25.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2017day25(void) {
   char *input = get_input("input/2017/25");
diff --git a/src/2018/01.c b/src/2018/01.c
index 8f20acf..9221c1f 100644
--- a/src/2018/01.c
+++ b/src/2018/01.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day01(void) {
   char *input = get_input("input/2018/01");
diff --git a/src/2018/02.c b/src/2018/02.c
index 07cf00e..89a851f 100644
--- a/src/2018/02.c
+++ b/src/2018/02.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day02(void) {
   char *input = get_input("input/2018/02");
diff --git a/src/2018/03.c b/src/2018/03.c
index 58099c5..0bbc518 100644
--- a/src/2018/03.c
+++ b/src/2018/03.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day03(void) {
   char *input = get_input("input/2018/03");
diff --git a/src/2018/04.c b/src/2018/04.c
index a39f148..5c7de03 100644
--- a/src/2018/04.c
+++ b/src/2018/04.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day04(void) {
   char *input = get_input("input/2018/04");
diff --git a/src/2018/05.c b/src/2018/05.c
index 3b02e6c..5f4cf90 100644
--- a/src/2018/05.c
+++ b/src/2018/05.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day05(void) {
   char *input = get_input("input/2018/05");
diff --git a/src/2018/06.c b/src/2018/06.c
index 5c75e39..5367d93 100644
--- a/src/2018/06.c
+++ b/src/2018/06.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day06(void) {
   char *input = get_input("input/2018/06");
diff --git a/src/2018/07.c b/src/2018/07.c
index b7f8433..8d58317 100644
--- a/src/2018/07.c
+++ b/src/2018/07.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day07(void) {
   char *input = get_input("input/2018/07");
diff --git a/src/2018/08.c b/src/2018/08.c
index 543442a..ce56b8a 100644
--- a/src/2018/08.c
+++ b/src/2018/08.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day08(void) {
   char *input = get_input("input/2018/08");
diff --git a/src/2018/09.c b/src/2018/09.c
index cddafbe..8e0429c 100644
--- a/src/2018/09.c
+++ b/src/2018/09.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day09(void) {
   char *input = get_input("input/2018/09");
diff --git a/src/2018/10.c b/src/2018/10.c
index 1aadc04..da66d50 100644
--- a/src/2018/10.c
+++ b/src/2018/10.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day10(void) {
   char *input = get_input("input/2018/10");
diff --git a/src/2018/11.c b/src/2018/11.c
index b33ebb5..101a253 100644
--- a/src/2018/11.c
+++ b/src/2018/11.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day11(void) {
   char *input = get_input("input/2018/11");
diff --git a/src/2018/12.c b/src/2018/12.c
index cd0af84..d0d1a87 100644
--- a/src/2018/12.c
+++ b/src/2018/12.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day12(void) {
   char *input = get_input("input/2018/12");
diff --git a/src/2018/13.c b/src/2018/13.c
index 20903f4..16505a6 100644
--- a/src/2018/13.c
+++ b/src/2018/13.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day13(void) {
   char *input = get_input("input/2018/13");
diff --git a/src/2018/14.c b/src/2018/14.c
index b58c6e0..94f5824 100644
--- a/src/2018/14.c
+++ b/src/2018/14.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day14(void) {
   char *input = get_input("input/2018/14");
diff --git a/src/2018/15.c b/src/2018/15.c
index ee2bddd..dbab49f 100644
--- a/src/2018/15.c
+++ b/src/2018/15.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day15(void) {
   char *input = get_input("input/2018/15");
diff --git a/src/2018/16.c b/src/2018/16.c
index 823cb83..4c5440e 100644
--- a/src/2018/16.c
+++ b/src/2018/16.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day16(void) {
   char *input = get_input("input/2018/16");
diff --git a/src/2018/17.c b/src/2018/17.c
index 4d5fc09..e17a5ad 100644
--- a/src/2018/17.c
+++ b/src/2018/17.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day17(void) {
   char *input = get_input("input/2018/17");
diff --git a/src/2018/18.c b/src/2018/18.c
index b523e6e..da31867 100644
--- a/src/2018/18.c
+++ b/src/2018/18.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day18(void) {
   char *input = get_input("input/2018/18");
diff --git a/src/2018/19.c b/src/2018/19.c
index e078960..e3d53b6 100644
--- a/src/2018/19.c
+++ b/src/2018/19.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day19(void) {
   char *input = get_input("input/2018/19");
diff --git a/src/2018/20.c b/src/2018/20.c
index 13081ee..475cf2c 100644
--- a/src/2018/20.c
+++ b/src/2018/20.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day20(void) {
   char *input = get_input("input/2018/20");
diff --git a/src/2018/21.c b/src/2018/21.c
index da2b3c6..753373a 100644
--- a/src/2018/21.c
+++ b/src/2018/21.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day21(void) {
   char *input = get_input("input/2018/21");
diff --git a/src/2018/22.c b/src/2018/22.c
index ddf0871..f4ab735 100644
--- a/src/2018/22.c
+++ b/src/2018/22.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day22(void) {
   char *input = get_input("input/2018/22");
diff --git a/src/2018/23.c b/src/2018/23.c
index 17633e2..69dcc74 100644
--- a/src/2018/23.c
+++ b/src/2018/23.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day23(void) {
   char *input = get_input("input/2018/23");
diff --git a/src/2018/24.c b/src/2018/24.c
index 98feb96..63e3131 100644
--- a/src/2018/24.c
+++ b/src/2018/24.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day24(void) {
   char *input = get_input("input/2018/24");
diff --git a/src/2018/25.c b/src/2018/25.c
index 4c73970..30f22fb 100644
--- a/src/2018/25.c
+++ b/src/2018/25.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2018day25(void) {
   char *input = get_input("input/2018/25");
diff --git a/src/2019/01.c b/src/2019/01.c
index 1e9db03..b723866 100644
--- a/src/2019/01.c
+++ b/src/2019/01.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day01(void) {
   char *input = get_input("input/2019/01");
diff --git a/src/2019/02.c b/src/2019/02.c
index 882c13c..a36b038 100644
--- a/src/2019/02.c
+++ b/src/2019/02.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day02(void) {
   char *input = get_input("input/2019/02");
diff --git a/src/2019/03.c b/src/2019/03.c
index b48a250..b989b5d 100644
--- a/src/2019/03.c
+++ b/src/2019/03.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day03(void) {
   char *input = get_input("input/2019/03");
diff --git a/src/2019/04.c b/src/2019/04.c
index 46d5db4..6774edb 100644
--- a/src/2019/04.c
+++ b/src/2019/04.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day04(void) {
   char *input = get_input("input/2019/04");
diff --git a/src/2019/05.c b/src/2019/05.c
index 6f04f13..8ef5c6b 100644
--- a/src/2019/05.c
+++ b/src/2019/05.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day05(void) {
   char *input = get_input("input/2019/05");
diff --git a/src/2019/06.c b/src/2019/06.c
index 3c6f8d0..5bbe906 100644
--- a/src/2019/06.c
+++ b/src/2019/06.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day06(void) {
   char *input = get_input("input/2019/06");
diff --git a/src/2019/07.c b/src/2019/07.c
index 5c100b7..51d25fb 100644
--- a/src/2019/07.c
+++ b/src/2019/07.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day07(void) {
   char *input = get_input("input/2019/07");
diff --git a/src/2019/08.c b/src/2019/08.c
index f7461aa..c055b9d 100644
--- a/src/2019/08.c
+++ b/src/2019/08.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day08(void) {
   char *input = get_input("input/2019/08");
diff --git a/src/2019/09.c b/src/2019/09.c
index 09132f3..fab6811 100644
--- a/src/2019/09.c
+++ b/src/2019/09.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day09(void) {
   char *input = get_input("input/2019/09");
diff --git a/src/2019/10.c b/src/2019/10.c
index a0e498e..bb32197 100644
--- a/src/2019/10.c
+++ b/src/2019/10.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day10(void) {
   char *input = get_input("input/2019/10");
diff --git a/src/2019/11.c b/src/2019/11.c
index d55bfbd..842cf3f 100644
--- a/src/2019/11.c
+++ b/src/2019/11.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day11(void) {
   char *input = get_input("input/2019/11");
diff --git a/src/2019/12.c b/src/2019/12.c
index 3360fbc..948be9c 100644
--- a/src/2019/12.c
+++ b/src/2019/12.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day12(void) {
   char *input = get_input("input/2019/12");
diff --git a/src/2019/13.c b/src/2019/13.c
index 30b4397..4377d0f 100644
--- a/src/2019/13.c
+++ b/src/2019/13.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day13(void) {
   char *input = get_input("input/2019/13");
diff --git a/src/2019/14.c b/src/2019/14.c
index bad9c74..f08b30f 100644
--- a/src/2019/14.c
+++ b/src/2019/14.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day14(void) {
   char *input = get_input("input/2019/14");
diff --git a/src/2019/15.c b/src/2019/15.c
index a2641a3..fbeb583 100644
--- a/src/2019/15.c
+++ b/src/2019/15.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day15(void) {
   char *input = get_input("input/2019/15");
diff --git a/src/2019/16.c b/src/2019/16.c
index 83117c3..6563746 100644
--- a/src/2019/16.c
+++ b/src/2019/16.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day16(void) {
   char *input = get_input("input/2019/16");
diff --git a/src/2019/17.c b/src/2019/17.c
index a138d10..b2d3ca2 100644
--- a/src/2019/17.c
+++ b/src/2019/17.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day17(void) {
   char *input = get_input("input/2019/17");
diff --git a/src/2019/18.c b/src/2019/18.c
index 268f757..cdeb6ba 100644
--- a/src/2019/18.c
+++ b/src/2019/18.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day18(void) {
   char *input = get_input("input/2019/18");
diff --git a/src/2019/19.c b/src/2019/19.c
index f6842e9..ba7ce62 100644
--- a/src/2019/19.c
+++ b/src/2019/19.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day19(void) {
   char *input = get_input("input/2019/19");
diff --git a/src/2019/20.c b/src/2019/20.c
index b5f295a..ac3a023 100644
--- a/src/2019/20.c
+++ b/src/2019/20.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day20(void) {
   char *input = get_input("input/2019/20");
diff --git a/src/2019/21.c b/src/2019/21.c
index 1891887..221dbbd 100644
--- a/src/2019/21.c
+++ b/src/2019/21.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day21(void) {
   char *input = get_input("input/2019/21");
diff --git a/src/2019/22.c b/src/2019/22.c
index 21bec35..32b0018 100644
--- a/src/2019/22.c
+++ b/src/2019/22.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day22(void) {
   char *input = get_input("input/2019/22");
diff --git a/src/2019/23.c b/src/2019/23.c
index d0e5041..07ae2cc 100644
--- a/src/2019/23.c
+++ b/src/2019/23.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day23(void) {
   char *input = get_input("input/2019/23");
diff --git a/src/2019/24.c b/src/2019/24.c
index ae5a3c9..b7d5e36 100644
--- a/src/2019/24.c
+++ b/src/2019/24.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day24(void) {
   char *input = get_input("input/2019/24");
diff --git a/src/2019/25.c b/src/2019/25.c
index fbf4e95..361bd8a 100644
--- a/src/2019/25.c
+++ b/src/2019/25.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2019day25(void) {
   char *input = get_input("input/2019/25");
diff --git a/src/2020/01.c b/src/2020/01.c
index 2f28b1d..0fa200a 100644
--- a/src/2020/01.c
+++ b/src/2020/01.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day01(void) {
   char *input = get_input("input/2020/01");
diff --git a/src/2020/02.c b/src/2020/02.c
index c294187..fbe98d5 100644
--- a/src/2020/02.c
+++ b/src/2020/02.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day02(void) {
   char *input = get_input("input/2020/02");
diff --git a/src/2020/03.c b/src/2020/03.c
index 94780ad..d74bd4a 100644
--- a/src/2020/03.c
+++ b/src/2020/03.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day03(void) {
   char *input = get_input("input/2020/03");
diff --git a/src/2020/04.c b/src/2020/04.c
index 747c4b4..1534e1e 100644
--- a/src/2020/04.c
+++ b/src/2020/04.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day04(void) {
   char *input = get_input("input/2020/04");
diff --git a/src/2020/05.c b/src/2020/05.c
index d4d9584..fc219b1 100644
--- a/src/2020/05.c
+++ b/src/2020/05.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day05(void) {
   char *input = get_input("input/2020/05");
diff --git a/src/2020/06.c b/src/2020/06.c
index 70d54e8..bad9256 100644
--- a/src/2020/06.c
+++ b/src/2020/06.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day06(void) {
   char *input = get_input("input/2020/06");
diff --git a/src/2020/07.c b/src/2020/07.c
index 7eaad6b..e2eebe3 100644
--- a/src/2020/07.c
+++ b/src/2020/07.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day07(void) {
   char *input = get_input("input/2020/07");
diff --git a/src/2020/08.c b/src/2020/08.c
index badf028..680518b 100644
--- a/src/2020/08.c
+++ b/src/2020/08.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day08(void) {
   char *input = get_input("input/2020/08");
diff --git a/src/2020/09.c b/src/2020/09.c
index 72e66af..9b23c88 100644
--- a/src/2020/09.c
+++ b/src/2020/09.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day09(void) {
   char *input = get_input("input/2020/09");
diff --git a/src/2020/10.c b/src/2020/10.c
index fd696d5..a57a13b 100644
--- a/src/2020/10.c
+++ b/src/2020/10.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day10(void) {
   char *input = get_input("input/2020/10");
diff --git a/src/2020/11.c b/src/2020/11.c
index be5c702..ef424b8 100644
--- a/src/2020/11.c
+++ b/src/2020/11.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day11(void) {
   char *input = get_input("input/2020/11");
diff --git a/src/2020/12.c b/src/2020/12.c
index 5589ef9..2fbb64c 100644
--- a/src/2020/12.c
+++ b/src/2020/12.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day12(void) {
   char *input = get_input("input/2020/12");
diff --git a/src/2020/13.c b/src/2020/13.c
index bc66c12..994ae19 100644
--- a/src/2020/13.c
+++ b/src/2020/13.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day13(void) {
   char *input = get_input("input/2020/13");
diff --git a/src/2020/14.c b/src/2020/14.c
index 6e44e41..9045344 100644
--- a/src/2020/14.c
+++ b/src/2020/14.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day14(void) {
   char *input = get_input("input/2020/14");
diff --git a/src/2020/15.c b/src/2020/15.c
index 4c712bc..bb7216e 100644
--- a/src/2020/15.c
+++ b/src/2020/15.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day15(void) {
   char *input = get_input("input/2020/15");
diff --git a/src/2020/16.c b/src/2020/16.c
index 0f80e92..d2fd02f 100644
--- a/src/2020/16.c
+++ b/src/2020/16.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day16(void) {
   char *input = get_input("input/2020/16");
diff --git a/src/2020/17.c b/src/2020/17.c
index 4ab8ca5..16c5ece 100644
--- a/src/2020/17.c
+++ b/src/2020/17.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day17(void) {
   char *input = get_input("input/2020/17");
diff --git a/src/2020/18.c b/src/2020/18.c
index 8b87bd6..0ada3fb 100644
--- a/src/2020/18.c
+++ b/src/2020/18.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day18(void) {
   char *input = get_input("input/2020/18");
diff --git a/src/2020/19.c b/src/2020/19.c
index fa65762..ec74969 100644
--- a/src/2020/19.c
+++ b/src/2020/19.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day19(void) {
   char *input = get_input("input/2020/19");
diff --git a/src/2020/20.c b/src/2020/20.c
index 36e5f49..ad975d5 100644
--- a/src/2020/20.c
+++ b/src/2020/20.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day20(void) {
   char *input = get_input("input/2020/20");
diff --git a/src/2020/21.c b/src/2020/21.c
index db5cc0d..7336c6e 100644
--- a/src/2020/21.c
+++ b/src/2020/21.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day21(void) {
   char *input = get_input("input/2020/21");
diff --git a/src/2020/22.c b/src/2020/22.c
index 2377634..86159b6 100644
--- a/src/2020/22.c
+++ b/src/2020/22.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day22(void) {
   char *input = get_input("input/2020/22");
diff --git a/src/2020/23.c b/src/2020/23.c
index 4b7dfe0..40a4607 100644
--- a/src/2020/23.c
+++ b/src/2020/23.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day23(void) {
   char *input = get_input("input/2020/23");
diff --git a/src/2020/24.c b/src/2020/24.c
index 23e36d5..d2d83d5 100644
--- a/src/2020/24.c
+++ b/src/2020/24.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day24(void) {
   char *input = get_input("input/2020/24");
diff --git a/src/2020/25.c b/src/2020/25.c
index 8793b04..97d0883 100644
--- a/src/2020/25.c
+++ b/src/2020/25.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2020day25(void) {
   char *input = get_input("input/2020/25");
diff --git a/src/2021/01.c b/src/2021/01.c
index 6f3bcf9..f636768 100644
--- a/src/2021/01.c
+++ b/src/2021/01.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day01(void) {
   size_t sz = 0;
diff --git a/src/2021/02.c b/src/2021/02.c
index ec5cab6..0b2e586 100644
--- a/src/2021/02.c
+++ b/src/2021/02.c
@@ -3,7 +3,7 @@
 #include <string.h>
 #include <limits.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 static void solution(long p2) {
   size_t sz = 0;
diff --git a/src/2021/03.c b/src/2021/03.c
index 05e7a20..27ae378 100644
--- a/src/2021/03.c
+++ b/src/2021/03.c
@@ -2,12 +2,15 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "input.h"
+#include "lfinput.h"
+#include "lfmath.h"
 
 void advent2021day03(void) {
   size_t sz;
   char **input = get_lines("input/2021/03", &sz);
-
-
+  int nums[sz];
+  for (size_t i = 0; i < sz; ++i) {
+      nums[i] = binstr_to_int(input[i]);
+  }
   del_lines(input);
 }
diff --git a/src/2021/04.c b/src/2021/04.c
index 87dfc82..0647135 100644
--- a/src/2021/04.c
+++ b/src/2021/04.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day04(void) {
   char *input = get_input("input/2021/04");
diff --git a/src/2021/05.c b/src/2021/05.c
index bb88d5a..785e986 100644
--- a/src/2021/05.c
+++ b/src/2021/05.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day05(void) {
   char *input = get_input("input/2021/05");
diff --git a/src/2021/06.c b/src/2021/06.c
index 330049c..45124ce 100644
--- a/src/2021/06.c
+++ b/src/2021/06.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day06(void) {
   char *input = get_input("input/2021/06");
diff --git a/src/2021/07.c b/src/2021/07.c
index 82277d3..203f8ef 100644
--- a/src/2021/07.c
+++ b/src/2021/07.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day07(void) {
   char *input = get_input("input/2021/07");
diff --git a/src/2021/08.c b/src/2021/08.c
index f3c78b7..08e1a9f 100644
--- a/src/2021/08.c
+++ b/src/2021/08.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day08(void) {
   char *input = get_input("input/2021/08");
diff --git a/src/2021/09.c b/src/2021/09.c
index 444dfe4..14df72a 100644
--- a/src/2021/09.c
+++ b/src/2021/09.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day09(void) {
   char *input = get_input("input/2021/09");
diff --git a/src/2021/10.c b/src/2021/10.c
index 6aaf133..ada37c2 100644
--- a/src/2021/10.c
+++ b/src/2021/10.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day10(void) {
   char *input = get_input("input/2021/10");
diff --git a/src/2021/11.c b/src/2021/11.c
index fb71a7d..6756ee5 100644
--- a/src/2021/11.c
+++ b/src/2021/11.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day11(void) {
   char *input = get_input("input/2021/11");
diff --git a/src/2021/12.c b/src/2021/12.c
index ce6441c..e2898f7 100644
--- a/src/2021/12.c
+++ b/src/2021/12.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day12(void) {
   char *input = get_input("input/2021/12");
diff --git a/src/2021/13.c b/src/2021/13.c
index 6482801..a849312 100644
--- a/src/2021/13.c
+++ b/src/2021/13.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day13(void) {
   char *input = get_input("input/2021/13");
diff --git a/src/2021/14.c b/src/2021/14.c
index a7395fc..fb3c7b9 100644
--- a/src/2021/14.c
+++ b/src/2021/14.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day14(void) {
   char *input = get_input("input/2021/14");
diff --git a/src/2021/15.c b/src/2021/15.c
index 901b0a8..e03e9d2 100644
--- a/src/2021/15.c
+++ b/src/2021/15.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day15(void) {
   char *input = get_input("input/2021/15");
diff --git a/src/2021/16.c b/src/2021/16.c
index 29823eb..a9668f0 100644
--- a/src/2021/16.c
+++ b/src/2021/16.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day16(void) {
   char *input = get_input("input/2021/16");
diff --git a/src/2021/17.c b/src/2021/17.c
index deaf639..07101b4 100644
--- a/src/2021/17.c
+++ b/src/2021/17.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day17(void) {
   char *input = get_input("input/2021/17");
diff --git a/src/2021/18.c b/src/2021/18.c
index 9f28670..6d55acc 100644
--- a/src/2021/18.c
+++ b/src/2021/18.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day18(void) {
   char *input = get_input("input/2021/18");
diff --git a/src/2021/19.c b/src/2021/19.c
index c34082f..143d441 100644
--- a/src/2021/19.c
+++ b/src/2021/19.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day19(void) {
   char *input = get_input("input/2021/19");
diff --git a/src/2021/20.c b/src/2021/20.c
index 7b044ee..e49d532 100644
--- a/src/2021/20.c
+++ b/src/2021/20.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day20(void) {
   char *input = get_input("input/2021/20");
diff --git a/src/2021/21.c b/src/2021/21.c
index 08fc45a..51d859b 100644
--- a/src/2021/21.c
+++ b/src/2021/21.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day21(void) {
   char *input = get_input("input/2021/21");
diff --git a/src/2021/22.c b/src/2021/22.c
index 87901f2..7786b56 100644
--- a/src/2021/22.c
+++ b/src/2021/22.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day22(void) {
   char *input = get_input("input/2021/22");
diff --git a/src/2021/23.c b/src/2021/23.c
index 351545d..c276e68 100644
--- a/src/2021/23.c
+++ b/src/2021/23.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day23(void) {
   char *input = get_input("input/2021/23");
diff --git a/src/2021/24.c b/src/2021/24.c
index 1574f78..22bcbde 100644
--- a/src/2021/24.c
+++ b/src/2021/24.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day24(void) {
   char *input = get_input("input/2021/24");
diff --git a/src/2021/25.c b/src/2021/25.c
index 32ee3cd..2230e38 100644
--- a/src/2021/25.c
+++ b/src/2021/25.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "lfinput.h"
 
 void advent2021day25(void) {
   char *input = get_input("input/2021/25");