this time with no legal info

1/count.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    FILE *file;
+    int count = 0;
+    int num = 50, add;
+    char rot;
+    file = fopen("input.txt", "r");
+    if (file == NULL) {
+        perror("Error opening file");
+        return 1;
+    }
+
+    while (fscanf(file, "%c%d\n", &rot, &add) == 2) {
+        num += (rot == 'R') ? add : -add;
+        num %= 100;
+        if (num < 0)
+            num += 100;
+        count += num ? 0 : 1;
+    }
+    fclose(file);
+    printf("Password: %d\n", count);
+    return 0;
+}

1/count2.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    FILE *file;
+    int count = 0;
+    int num = 50, add;
+    char rot;
+    file = fopen("input.txt", "r");
+    if (file == NULL) {
+        perror("Error opening file");
+        return 1;
+    }
+
+    while (fscanf(file, " %c%d", &rot, &add) == 2) {
+        if (rot == 'R') {
+            count += (num + add) / 100;
+            num = (num + add) % 100;
+        } else if (rot == 'L') {
+            if (num == 0) {
+                count += add / 100;
+            } else if (add < num) {
+                // No wrap-around
+            } else {
+                count += ((add - num) / 100) + 1;
+            }
+            num = (num - add) % 100;
+            if (num < 0)
+                num += 100;
+        } 
+    } 
+    fclose(file);
+    printf("Password: %d\n", count);
+    return 0;
+}

1/test.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    printf("%d\n", -101 % 100);
+    return 0;
+}