Submission #1756873

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define loop(i, a, b) for(int i = a; i < b; i++)
#define rep(i, a) loop(i, 0, a)
#define all(a) (a).begin(),(a).end()
using namespace std;
const int MOD = 1e9 + 7, INF = 1e9;
using vi = vector <int>;
using vvi = vector <vi>;

int main(){
    int n;  string s;
    cin >> n >> s;
    int num_right = 0;
    rep(i, n){
        if(s[i] == ')')num_right++;
    }
    int num_left = num_right;
    if(num_right > num_left)
        rep(i, num_right - num_left)
            cout << "(";
        cout << s << endl;
    else{
        cout << s;
        rep(i, num_left - num_right)
            cout << ")";
        cout << endl;
    }

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:23:5: error: ‘else’ without a previous ‘if’
     else{
     ^