Submission #1225352

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Source Code Expand

#include <stdio.h>

int main(void)
{
  int n, a, b, k, p, i, check[101]={0};

  scanf("%d", &n);
  scanf("%d %d", &a, &b);
  scanf("%d", &k);

  check[a] = 1;
  check[b] = 1;
  if(n < 2+k){
    printf("NO\n");
    return 0;
  }
  while(k--){
    scanf("%d", &p);
    if(check[p] == 0) check[p] = 1;
    else{
      printf("NO\n");
      return 0;
    }
  }
  printf("YES\n");
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ^
./Main.c:8:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &a, &b);
   ^
./Main.c:9:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &k);
   ^
./Main.c:18:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &p);
     ^

Judge Result