QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#641492#7683. Hard Brackets Problemucup-team2526WA 11ms3620kbC++20825b2024-10-14 20:46:242024-10-14 20:46:25

Judging History

你现在查看的是最新测评结果

  • [2024-10-14 20:46:25]
  • 评测
  • 测评结果:WA
  • 用时:11ms
  • 内存:3620kb
  • [2024-10-14 20:46:24]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long

#define dbg(x...) \
do { \
std::cout << #x << " -> "; \
err(x); \
} while (0)

void err() {
	std::cout << std::endl;
}

template<class T, class... Ts>
void err(T arg, Ts &... args) {
	std::cout << fixed << setprecision(10) << arg << ' ';
	err(args...);
}

void GENSHEN_START() {
	string s;cin >> s;
	string ans;
	int l = 0,r = s.size() - 1;
	for (;l <= r;) {
		if (s[l] == '(') {
			if (s[r] == ')') {				
				ans += s[l];
				l++;
				r--;
			}
			else {
				cout << "impossible" << '\n';
				return ;
			} 
		}
		else {
			ans += ')';
			l++;
		}
	}
	cout << ans << '\n';
}

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

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3616kb

input:

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

output:

(((
impossible
)))(

result:

ok 3 cases (3 test cases)

Test #2:

score: -100
Wrong Answer
time: 11ms
memory: 3620kb

input:

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

output:

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

result:

wrong answer the result string is incorrect (test case 2)