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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#656727	#7683. Hard Brackets Problem	test_algth	WA	20ms	3772kb	C++14	884b	2024-10-19 13:37:12	2024-10-19 13:37:15

Judging History

你现在查看的是最新测评结果

[2024-10-19 13:37:15]
评测

测评结果：WA
用时：20ms
内存：3772kb

查看

[2024-10-19 13:37:12]
提交

answer

#include <bits/stdc++.h>

const int MAXN = 1.01E6;
char A[MAXN];

int main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  std::cout.tie(nullptr);

  int testCase = 1;
  std::cin >> testCase;
  while (testCase--) {
    std::cin >> A;
    bool ok = true;
    std::vector <char> Ans;

    int now = 0, N = strlen(A), e = 0;
    for (int i = 0; i < N; ++i) {
      char a = A[i];
      if (a == '(') {
        if (e && now > 0) Ans.push_back(')');
        Ans.push_back('('), ++now, e = 0;
      }
      else {
        if (!now) Ans.push_back(')');
        now = std::max(0, now - 1);
        e = 1;
      }
      // printf("(%d, %d)\n", i, now);
    }

    if (now == 0) {
      for (char a : Ans)
        std::cout << a;
      std::cout << '\n';
    } else {
      std::cout << "impossible" << '\n';
    }
  }

  return 0;
}

Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3772kb

input:

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

output:

(((
impossible
)))(

result:

ok 3 cases (3 test cases)

Test #2:

score: -100

Wrong Answer

time: 20ms

memory: 3544kb

input:

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

output:

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

result:

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