oj.uz

답안 #226182

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
226182 2020-04-22T18:16:58 Z super_j6 괄호 문자열 (CEOI16_match) C++14
100 / 100
 19 ms 9984 KB 
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string.h>
#include <vector>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second

const int maxn = 100001, k = 26;
int n;
string s;
int it[maxn], l[maxn], p[maxn];
int tr[maxn][k];
vector<int> v[maxn];
int m = 1;
string ret;

void solve(int l, int r){
	if(l > r) return;
	int x = *--upper_bound(v[it[l]].begin(), v[it[l]].end(), r);
	ret[l - 1] = '(', ret[x] = ')';
	solve(l + 1, x), solve(x + 2, r);
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	cin >> s;
	n = s.size();
	
	l[0] = -1;
	for(int i = 1; i <= n; i++){
		int c = s[i - 1] - 'a';
		if(l[it[i - 1]] == c){
			it[i] = p[it[i - 1]];
		}else{
			if(!tr[it[i - 1]][c]) tr[it[i - 1]][c] = m++;
			p[it[i] = tr[it[i - 1]][c]] = it[i - 1];
			l[it[i]] = c;
		}
		v[it[i]].push_back(i);
	}
	
	if(it[n]){
		cout << -1 << endl;
	}else{
		ret.resize(n);
		solve(1, n);
		cout << ret << endl;
	}

	return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2816 KB Output is correct
5 Correct 6 ms 2816 KB Output is correct
6 Correct 6 ms 2816 KB Output is correct
7 Correct 6 ms 2816 KB Output is correct

Subtask #3
63.0 / 63.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2816 KB Output is correct
5 Correct 6 ms 2816 KB Output is correct
6 Correct 6 ms 2816 KB Output is correct
7 Correct 6 ms 2816 KB Output is correct
8 Correct 7 ms 3072 KB Output is correct
9 Correct 7 ms 3200 KB Output is correct
10 Correct 6 ms 3328 KB Output is correct
11 Correct 8 ms 3200 KB Output is correct
12 Correct 12 ms 7680 KB Output is correct
13 Correct 12 ms 8192 KB Output is correct
14 Correct 14 ms 8576 KB Output is correct
15 Correct 11 ms 4864 KB Output is correct
16 Correct 12 ms 4864 KB Output is correct
17 Correct 16 ms 7552 KB Output is correct
18 Correct 12 ms 4352 KB Output is correct
19 Correct 17 ms 9984 KB Output is correct
20 Correct 13 ms 7808 KB Output is correct
21 Correct 19 ms 9984 KB Output is correct