Submission #608727

#TimeUsernameProblemLanguageResultExecution timeMemory
608727EJOI2019AndrewMatch (CEOI16_match)C++14
37 / 100
7 ms340 KiB
#include <bits/stdc++.h>
using namespace std;
 
const int MAXN = 2005;
 
int N;
char s[MAXN];
char ans[MAXN];
 
bool ava(stack<char> st, int x) {
	for(int i = x; i < N; i++) {
		if(!st.empty() && s[i] == st.top()) st.pop();
		else st.push(s[i]);
	}
	return st.empty();
}
 
int main() {
	cin >> s;
	for(N = 0; s[N]; N++);
 
	stack<char> st;
	for(int i = 0; i < N; i++) {
		st.push(s[i]);
		if(ava(st, i + 1)) ans[i] = '(';
		else {
			ans[i] = ')';
			st.pop();
			if(st.empty() || st.top() != s[i]) {
				cout << -1;
				return 0;
			}
			st.pop();
		}
	}
	if(st.empty()) 
      for(int i = 0; i < N; i++) cout << ans[i];
	else cout << -1;
	return 0;
}
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...