Submission #1343922

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Source Code Expand

#include <stdio.h>
#include <algorithm>

using namespace std;

int N;
char s[101];

int main() {
    scanf("%d", &N);
    scanf("%s", s);
    int l = 0, r = 0;
    for (int i = 0; i < N; i ++) {
        if (s[i] == '(') {
            l ++;
        } else {
            r ++;
        }
    }
    int level = 0;
    int start = 0;
    for (int i = 0; i < N; i ++) {
        if (s[i] == '(') {
            level ++;
        } else {
            if (level == 0) {
                start ++;
            } else {
                level --;
            }
        }
    }
    int end = level;
    for (int i = 0; i < start; i ++) {
        printf("(");
    }
    printf("%s", s);
    for (int i = 0; i < end; i ++) {
        printf(")");
    }
    printf("\n");
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:11:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", s);
                   ^

Judge Result