Submission #1481496

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Source Code Expand

#include <stdio.h>
static int a, b, k, p[101];
int main(void) {
    int i;
    scanf("%*d%d%d%d", &a, &b, &k);
    p[a] = ++p[b];
    while (k--) {
        scanf("%d", &i);
        if (p[i]++) {
            puts("NO");
            return 0;
        }
    }
    puts("YES");
    return 0;
}

Submission Info

Compile Error

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

Judge Result