Submission #3598475

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Source Code Expand

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

int main()
{
    char str[8];

    scanf("%s", str);

    if (strlen(str) == 2) {
        printf("%s\n", str);
    } else if (strlen(str) == 3) {
        putchar(str[2]); putchar(str[1]); putchar(str[0]);
        putchar('\n');
    }

    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", str);
     ^

Judge Result