simplify read process using the return value of scanf

2026-08-18 01:18:40 +08:00 · 2018-06-02 19:00:10 +08:00
parent 3b9871c632
commit b18a408a2c
1 changed files with 3 additions and 7 deletions
@@ -56,13 +56,9 @@ int Rev(int N, int D)
 int main()
 {
    int N, D;
-    scanf("%d", &N);
-    while(N >= 0)
-    {
-        scanf("%d", &D);
+
+    while(scanf("%d %d", &N, &D) == 2)
        puts(iPrime(N) && iPrime(Rev(N, D)) ? "Yes" : "No");
-        scanf("%d", &N);
-    }
-    
+
    return 0;
 }