Submission #1869029

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Source Code Expand

#include <stdio.h>

int main(void)
{
    char S[101], t;
    int n, l, r, i, j;

    scanf("%s", S);
    scanf("%d", &n);

    for (i=0; i<n; i++) {
        scanf("%d%d", &l, &r);
        l--; r--;
        for (j=0; j<(r-l+1)/2; j++) {
            t=S[l+j];
            S[l+j]=S[r-j];
            S[r-j]=t;
        }
    }
    printf("%s\n", S);

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", S);
                   ^
./Main.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:12:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &l, &r);
                              ^

Judge Result