Submission #1480903

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Source Code Expand

#include <stdio.h>
#include <string.h>

int main(int argc, char **argv)
{
    char a[16];
    scanf("%s", a);

    if (strcmp(a, "a")) {
        puts("a");
    } else {
        puts("-1");
    }
    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("%s", a);
     ^

Judge Result