Submission #3220140

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Source Code Expand

#include <stdio.h>

int P[105];
int visit[105];

int main(){

	int N;

	scanf("%d",&N);

	int a,b;

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

	int K;

	scanf("%d",&K);

	int i;

	visit[a]++;
	visit[b]++;

	for(i=0;i<K;i++){
	scanf(" %d",&P[i]);
	visit[P[i]]++;
	}

	for(i=0;i<=100;i++){
		if(visit[i]>1){
			printf("NO\n");
			return 0;
		}
	}

	printf("YES\n");

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:10:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
  ^
./Main.c:14:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&a,&b);
  ^
./Main.c:18:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&K);
  ^
./Main.c:26:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf(" %d",&P[i]);
  ^

Judge Result