From e0c2037ee5cede636e907e8af462371ee0e775db Mon Sep 17 00:00:00 2001
From: Adam Spragg <adam@spra.gg>
Date: Sun, 4 Dec 2022 16:47:21 +0000
Subject: Advent of code 2022 problems 1-4

---
 1a.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 1a.c

(limited to '1a.c')

diff --git a/1a.c b/1a.c
new file mode 100644
index 0000000..fa93b39
--- /dev/null
+++ b/1a.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main()
+{
+	char buf[BUFSIZ];
+	long cal = 0, maxcal = 0, elf = 0, maxelf = 0;
+
+	while (fgets(buf, sizeof(buf), stdin)) {
+		char * pbuf = buf;
+		long n;
+		if ((n = strtol(buf, &pbuf, 10)) == 0 && pbuf == buf) {
+			if (cal > maxcal) {
+				maxcal = cal;
+				maxelf = elf;
+			}
+			cal = 0;
+			++elf;
+		}
+		else {
+			cal += n;
+		}
+	}
+	if (cal > maxcal) {
+		maxcal = cal;
+		maxelf = elf;
+	}
+
+	printf("maxcal: %ld (elf: %ld)\n", maxcal, maxelf);
+
+	return 0;
+}
+
-- 
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