day10

1 files changed, 33 insertions, 0 deletions

diff --git a/2022/day10/main.c b/2022/day10/main.c
new file mode 100644
index 0000000..c256e11
--- /dev/null
+++ b/2022/day10/main.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    char *line = NULL;
+    size_t len;
+    int ops = 1;
+    int x = 1;
+
+    int signal = 0;
+
+    while (getline(&line, &len, stdin) != -1)
+    {
+        if ((ops+20) % 40 == 0) {
+            printf("%d %d\n", ops, x);
+            signal += ops * x;
+        }
+        if (line[0] == 'a') {
+            ops++;
+            if ((ops+20) % 40 == 0) {
+                printf("%d %d\n", ops, x);
+                signal += ops * x;
+            }
+            int a = atoi(line+5);
+            x += a;
+            printf("%d\n", a);
+        }
+        ops++;
+    }
+
+    printf("%d\n", signal);
+}