1 files changed, 45 insertions, 0 deletions
diff --git a/inf/aoc/1.c b/inf/aoc/1.c
new file mode 100644
index 0000000..2bb65b9
--- /dev/null
+++ b/inf/aoc/1.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <stdlib.h>
+int main (void) {
+	char b[64];
+	unsigned m = 0;
+	unsigned n = 0;
+	unsigned o = 0;
+	unsigned s = 0;
+	unsigned t;
+	while (!ferror(stdin) && !feof(stdin)) {
+		if (m < o) {
+			t = o;
+			o = m;
+			m = t;
+		}
+		if (n < o) {
+			t = o;
+			o = n;
+			n = t;
+		}
+		fgets(b, 64, stdin);
+		if (b[0] == '\n') {
+			if (s > m) {
+				o = n;
+				n = m;
+				m = s;
+				goto c;
+			}
+			if (s > n) {
+				o = n;
+				n = s;
+				goto c;
+			}
+			if (s > o) {
+				o = s;
+				goto c;
+			}
+			c:
+			s = 0;
+		} else {
+			s += atoi(b);
+		}
+	}
+	printf("%u %u %u sum %u\n", m, n, o, m+n+o);
+}