committing everything squashed

02/part1.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+#define MAX_LENGTH 165
+
+int main(void) {
+    char buf[MAX_LENGTH];
+    int game_num, cubes, sum;
+
+    sum = 0;
+    while (fgets(buf, MAX_LENGTH, stdin)) {
+        char* c = buf;
+        game_num = strtol(c + 5, &c, 10);  // +5 skips the "Game "
+
+        while (*c != '\n') {
+            cubes = strtol(c + 2, &c, 10);  // +2 skips ": ", ", ", or "; "
+            c++;  // +1 skips the space
+            if ((*c == 'r' && cubes > 12) ||
+                (*c == 'g' && cubes > 13) ||
+                (*c == 'b' && cubes > 14)) {
+                game_num = 0;
+            }
+            for (; *c >= 'a' && *c <= 'z'; c++);
+        }
+        sum += game_num;
+    }
+    printf("%d\n", sum);
+    return 0;
+}
+