Submission #1367430

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Source Code Expand

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

int main(int argc, char *argv[])
{
    char a[4][4];
    char buf[512];
    int i;

    for ( i = 0; i < 4; i++ ){
        fgets(buf, sizeof(buf), stdin);
        a[i][0] = *( strtok(buf, " \r\n") );
        a[i][1] = *( strtok(NULL, " \r\n") );
        a[i][2] = *( strtok(NULL, " \r\n") );
        a[i][3] = *( strtok(NULL, " \r\n") );
    }
    printf("%c %c %c %c\n", a[3][3], a[3][2], a[3][1], a[3][0]);
    printf("%c %c %c %c\n", a[2][3], a[2][2], a[2][1], a[2][0]);
    printf("%c %c %c %c\n", a[1][3], a[1][2], a[1][1], a[1][0]);
    printf("%c %c %c %c\n", a[0][3], a[0][2], a[0][1], a[0][0]);
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:11:9: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
         fgets(buf, sizeof(buf), stdin);
         ^

Judge Result