oj.uz

답안 #56826

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
56826 2018-07-12T16:51:22 Z mraron 괄호 문자열 (CEOI16_match) C++14
37 / 100
 101 ms 37804 KB 
/*
ID: noszaly1
TASK: {TASK}
LANG: C++11               
*/

//Noszály Áron 10o Debreceni Fazekas Mihály Gimnázium

#include<iostream>
#include<vector>
#include<map>
#include<set>
#include<cassert>
#include<cassert>
#include<unordered_map>
#include<unordered_set>
#include<functional>
#include<queue>
#include<stack>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<sstream>
#include<iomanip>
#include<cstdio>
#include<cstdlib>
#include<numeric>
using namespace std;

#define all(x) (x).begin(), (x).end()
#define pb push_back
#define xx first
#define yy second
#define sz(x) (int)(x).size()
#define gc getchar
#define IO ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define mp make_pair

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

const double PI=acos(-1);

template<typename T> T getint() {
	T val=0;
	char c;
	
	bool neg=false;
	while((c=gc()) && !(c>='0' && c<='9')) {
		neg|=c=='-';
	}

	do {
		val=(val*10)+c-'0';
	} while((c=gc()) && (c>='0' && c<='9'));

	return val*(neg?-1:1);
}

ll mod=1e9+7;
ll p=31;

string t;

ll st[100001], en[100001];
map<int, vector<int>> lst;
string ans;

void solve(int L, int R) {
	if(L>R) return ;
	//cerr<<L<<" "<<lst[en[L]].back()<<" "<<R<<"\n";
	while(lst[en[L]].back()>R) lst[en[L]].pop_back();
	//assert(!lst[en[L]].empty() && lst[en[L]].back()<=R);
	
	int par=lst[en[L]].back();
	
	ans[L]='(';
	ans[par]=')';
	
	lst[en[L]].pop_back();
	
	solve(par+1, R);
	solve(L+1, par-1);
}

int main() {
	IO;
	cin>>t;
	
	stack<pair<char,ll>> s;
	
	int ind=0;
	for(auto i:t) {
		if(s.empty()) {
			st[ind]=-1;
		}else {
			st[ind]=s.top().yy;
		}
		
		if(!s.empty() && s.top().xx==i) {
			s.pop();
		}else {
			if(s.empty()) {
				s.push({i, i});
			}else {
				s.push({i, (i+p*s.top().yy)%mod});
			}
		}
		
		if(s.empty()) {
			en[ind]=-1;
		}else {
			en[ind]=s.top().yy;
		}
		
		ind++;
	}
	
	if(!s.empty()) {
		cerr<<"-1\n";
		return 0;
	}

	
	for(int i=0;i<sz(t);++i) {
		//cerr<<st[i]<<" "<<en[i]<<"\n";
		lst[st[i]].pb(i);
	}
	
	ans=string(sz(t), '*');
	
	solve(0, sz(t)-1);
	
	cout<<ans<<"\n";
	return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 3 ms 488 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 3 ms 488 KB Output is correct
4 Correct 4 ms 600 KB Output is correct
5 Correct 3 ms 676 KB Output is correct
6 Correct 2 ms 676 KB Output is correct
7 Correct 3 ms 724 KB Output is correct

Subtask #3
0 / 63.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 3 ms 488 KB Output is correct
4 Correct 4 ms 600 KB Output is correct
5 Correct 3 ms 676 KB Output is correct
6 Correct 2 ms 676 KB Output is correct
7 Correct 3 ms 724 KB Output is correct
8 Correct 6 ms 980 KB Output is correct
9 Correct 5 ms 1108 KB Output is correct
10 Correct 5 ms 1252 KB Output is correct
11 Correct 6 ms 1396 KB Output is correct
12 Correct 57 ms 6344 KB Output is correct
13 Correct 64 ms 6932 KB Output is correct
14 Correct 80 ms 7900 KB Output is correct
15 Correct 16 ms 7900 KB Output is correct
16 Correct 15 ms 7900 KB Output is correct
17 Correct 63 ms 7900 KB Output is correct
18 Correct 19 ms 7900 KB Output is correct
19 Correct 96 ms 9260 KB Output is correct
20 Correct 53 ms 9260 KB Output is correct
21 Runtime error 101 ms 37804 KB Execution killed with signal 11 (could be triggered by violating memory limits)