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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#661721	#7683. Hard Brackets Problem	jiangtao	WA	17ms	3828kb	C++20	1.1kb	2024-10-20 17:46:27	2024-10-20 17:46:27

Judging History

你现在查看的是最新测评结果

[2024-10-20 17:46:27]
评测

测评结果：WA
用时：17ms
内存：3828kb

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[2024-10-20 17:46:27]
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answer

// Problem: G. Hard Brackets Problem
// Contest: Codeforces - 2023 China Collegiate Programming Contest (CCPC) Guilin Onsite (The 2nd Universal Cup. Stage 8: Guilin)
// URL: https://codeforces.com/gym/104768/problem/G
// Memory Limit: 1024 MB
// Time Limit: 1000 ms
// Begin:2024-10-20 17:06:45
// 
// Powered by CP Editor (https://cpeditor.org)

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 2e5 + 5, M = 1e9 + 7, mod = 998244353;
#define YES {cout << "Yes" << endl; return ;}
#define NO {cout << "No" << endl; return ;}

void solve(){
    string s; cin >> s;
    int now = 0;
    int you = 0;
    string ans = "";
    for (auto x : s){
    	if (x == '(') {
    		now++;
    		ans = ans + '(';
    		you++;
    	}
    	else {
    		now--;
    		if (you == 0){
    			ans = ans + ')';
    		}else{
    			you--;
    		}
    	}
    }
    if (now > 0) {
    	cout << "impossible\n";
    	return ;
    }
    cout << ans << "\n";
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int ___ = 1;
    cin >> ___;
    while (___--)
        solve();
    return 0;
}

Source code, Language: C++20

Details

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Test #1:

score: 100

Accepted

time: 1ms

memory: 3640kb

input:

3
((()))
(
)))()

output:

(((
impossible
)))(

result:

ok 3 cases (3 test cases)

Test #2:

score: -100

Wrong Answer

time: 17ms

memory: 3828kb

input:

100000
())(()()()
()())()))
)()()()()
())()(())(
((())()))
)(())()))(
)()))())))
)))))(((()
()))((()((
()((()()))
(()())())
())(()))()
(())(())))
))))(()(()
()))(())((
()((())())
()))()))()
()((())())
()()))((()
()))(()))
(()(())))
())((()))
())()((())
(()(())))
()(((()())
))))())))(
((((()()()
(()(...

output:

()((((
(()())
)((((
()((((
(((()
)((())(
)())()))
)))))((((
impossible
(((((
(((()
()(()(
(((())
))))((((
())((((
(((((
())())(
(((((
(())(((
())(()
(((()
()(((
()((((
(((()
impossible
))))()))(
impossible
impossible
impossible
()(()(
))(((((
(((()(
impossible
)))(()(
(()()(
((()()
(((()
impossible
...

result:

wrong answer the result string is incorrect (test case 1)