Submission #1441096

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Source Code Expand

#include <stdio.h>

int main(int argc, char *argv[])
{
    int i, n, X, v, total = 0;
    int a[20];
    scanf("%d %d", &n, &X);
    for ( i = 0, v = 1; i < n; i++, v <<= 1 ){
        scanf("%d", &a[i]);
        if ( v & X ){
            total += a[i];
        }
    }
    printf("%d\n", total);
    return 0;
}

Submission Info

Compile Error

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

Judge Result