oj.uz

답안 #605993

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
605993 2022-07-26T04:42:53 Z maximath_1 괄호 문자열 (CEOI16_match) C++11
100 / 100
 18 ms 13600 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int MX = 2e5 + 5;
int pre[MX][30];
string s, ans; int n;
 
void solve(int l, int r){
	if(l > r) return;
	if(pre[r][s[l] - 'a'] <= l){
		cout << -1 << endl;
		exit(0);
	}
 
	ans[l] = '(';
	ans[pre[r][s[l] - 'a']] = ')';
	solve(l + 1, pre[r][s[l] - 'a'] - 1);
	solve(pre[r][s[l] - 'a'] + 1, r);
}
 
int main(){
	cin >> s;
	n = s.size(); ans = "";
	for(int i = 0; i < n; i ++){
		ans += '(';
		for(int j = 0; j < 26; j ++){
			if(j == s[i] - 'a') pre[i][j] = i;
			else if(i > 0 && pre[i - 1][s[i] - 'a'] > 0)
				pre[i][j] = pre[pre[i - 1][s[i] - 'a'] - 1][j];
			else pre[i][j] = -1;
		}
	}
	solve(0, n - 1);
	cout << ans << endl;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct

Subtask #3
63.0 / 63.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 1076 KB Output is correct
9 Correct 2 ms 1108 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 12 ms 8308 KB Output is correct
13 Correct 9 ms 9044 KB Output is correct
14 Correct 11 ms 9940 KB Output is correct
15 Correct 12 ms 11604 KB Output is correct
16 Correct 16 ms 11656 KB Output is correct
17 Correct 12 ms 12244 KB Output is correct
18 Correct 18 ms 11932 KB Output is correct
19 Correct 16 ms 12756 KB Output is correct
20 Correct 9 ms 8512 KB Output is correct
21 Correct 17 ms 13600 KB Output is correct