Submission #899145

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Source Code Expand

#include <cstdio>
#include <string>

using namespace std;

int main() {
    char buf[15];
    scanf("%s", buf);

    string A(buf);
    printf("%s\n", A=="a"? "-1":"a");
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result