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답안 #67343

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
67343 2018-08-14T03:44:28 Z MatheusLealV 괄호 문자열 (CEOI16_match) C++17
37 / 100
 2000 ms 26524 KB 
#include <bits/stdc++.h>
#define N 100050
#define f first
#define s second
using namespace std;
int n, v[N];

string s;

char resp[N];

bool solve(int l, int r)
{
	if(r < l) return 1;

	if(r - l == 1)
	{
		resp[l] = '(', resp[r] = ')';

		return (v[l] == v[r]);
	}

	if(l == r) return 0;

	stack<int> open;

	for(int j = r; j > l; j--)
	{
		if(!open.empty())
		{
			int t = open.top();

			if(t == v[j]) open.pop();

			else open.push(v[j]);
		}

		else
		{
			if(v[l] == v[j])
			{
				resp[l] = '(', resp[j] = ')';

				bool A = solve(l + 1, j - 1);

				if(A) return solve(j + 1, r);

				else return 0;

				return (solve(l + 1, j - 1) and solve(j + 1, r));
			}

			else open.push(v[j]);
		}
	}

	return 0;
}

int main()
{
	ios::sync_with_stdio(false); cin.tie(0);

	cin>>s;

	n = s.size();

	for(int i = 1; i <= n; i++) v[i] = s[i - 1] - 'a';

	if(solve(1, n))
	{
		for(int i = 1; i<= n; i++) cout<<resp[i];

		cout<<"\n";
	}

	else cout<<"-1\n";
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 412 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 412 KB Output is correct
4 Correct 4 ms 616 KB Output is correct
5 Correct 3 ms 616 KB Output is correct
6 Correct 3 ms 1000 KB Output is correct
7 Correct 3 ms 1000 KB Output is correct

Subtask #3
0 / 63.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 412 KB Output is correct
4 Correct 4 ms 616 KB Output is correct
5 Correct 3 ms 616 KB Output is correct
6 Correct 3 ms 1000 KB Output is correct
7 Correct 3 ms 1000 KB Output is correct
8 Correct 7 ms 1000 KB Output is correct
9 Correct 18 ms 2080 KB Output is correct
10 Correct 9 ms 2080 KB Output is correct
11 Correct 9 ms 2880 KB Output is correct
12 Correct 143 ms 14016 KB Output is correct
13 Correct 95 ms 15084 KB Output is correct
14 Correct 849 ms 26204 KB Output is correct
15 Correct 40 ms 26204 KB Output is correct
16 Correct 39 ms 26204 KB Output is correct
17 Correct 141 ms 26524 KB Output is correct
18 Correct 32 ms 26524 KB Output is correct
19 Correct 1276 ms 26524 KB Output is correct
20 Correct 527 ms 26524 KB Output is correct
21 Execution timed out 2078 ms 26524 KB Time limit exceeded