2019 day 4, minor is_valid() simplification

2022-09-20 19:57:27 +02:00
parent 2694f8d4d0
commit ea530e7d8d
1 changed files with 6 additions and 10 deletions
--- a/2019/day04/aoc-c.c
+++ b/2019/day04/aoc-c.c
@@ -34,16 +34,12 @@ static int is_valid(int number, int part)
            dups[digit] += 2;
        }
    }
-    if (!valid)
-        return 0;
-    if (part == 2) {
-        valid = 0;
-        for (int i = 0; i < 10; ++i) {
-            if (dups[i] == 2)
-                return 1;
-        }
-    }
-    return valid;
+    if (!valid || part == 1)
+        return valid;
+    for (int i = 0; i < 10; ++i)
+        if (dups[i] == 2)
+            return 1;
+    return 0;
 }

 static int doit(int *nums, int part)