2015-05

src/2015/05.c

@@ -1,10 +1,16 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "input.h"
+#include "advent_utility.h"
 
 void advent2015day05(void) {
-  char *input = get_input("input/2015/05");
-  printf("Solution for Day 05 of 2015 is not completed yet\n");
-  free(input);
+    /* Sometimes, grep really is the best tool */
+    char *p1 = capture_system(
+            "grep -E \"(.*[aeiou]){3}\" ./input/2015/05 | grep \"\\(.\\)\\1\" | egrep -v \"(ab|cd|pq|xy)\" | wc -l");
+    char *p2 = capture_system("grep \"\\(..\\).*\\1\" ./input/2015/05 | grep \"\\(.\\).\\1\" | wc -l");
+
+    printf("%s%s", p1, p2);
+
+    free(p1);
+    free(p2);
 }