Submission #1138557

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Source Code Expand

#include <stdio.h>

int main(){
    char a[4][4];
    for(int i = 0;i < 4;i++){
        for(int j = 0;j < 4;j++){
            scanf("%c",&a[3-i][3-j]);
            if(j == 3) break;
            scanf(" ");
        }
        if(i == 3) break;
        scanf("\n");
    }
    for(int i = 0;i < 4;i++){
        printf("%c %c %c %c\n",a[i][0],a[i][1],a[i][2],a[i][3]);
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%c",&a[3-i][3-j]);
                                     ^
./Main.cpp:9:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf(" ");
                       ^
./Main.cpp:12:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n");
                    ^

Judge Result