QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #614040 | #7683. Hard Brackets Problem | Pepinot | WA | 47ms | 3632kb | C++20 | 970b | 2024-10-05 15:25:51 | 2024-10-05 15:25:52 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
void solveTS() {
string s; cin >> s;
string ss;
vector<char> ans;
stack<char> sk;
for(auto i:s) {
if(i=='(') sk.push(i);
else{
if(sk.size()&&sk.top()=='(') {
sk.pop();
ans.push_back('(');
}
else {
sk.push(i);
ans.push_back(')');
}
}
}
bool is=false;
while(sk.size()) {
if(sk.top()=='(') {
is=true;
break;
}
sk.pop();
}
// while(sk.size()) {
// cout<<sk.top();
// sk.pop();
// }
if(is) cout<<"impossible";
else for(auto i:ans) cout<<i;
cout<<endl;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while(t--){
solveTS();
}
}
/*
3
((()))
(
)))()
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3556kb
input:
3 ((())) ( )))()
output:
((( impossible )))(
result:
ok 3 cases (3 test cases)
Test #2:
score: -100
Wrong Answer
time: 47ms
memory: 3632kb
input:
100000 ())(()()() ()())())) )()()()() ())()(())( ((())())) )(())()))( )()))()))) )))))(((() ()))((()(( ()((()())) (()())()) ())(()))() (())(()))) ))))(()(() ()))(())(( ()((())()) ()))()))() ()((())()) ()()))((() ()))(())) (()(()))) ())((())) ())()((()) (()(()))) ()(((()()) ))))())))( ((((()()() (()(...
output:
impossible (()()) )(((( impossible (((() impossible )())())) impossible impossible ((((( (((() ()(()( (((()) impossible impossible ((((( ())())( ((((( impossible ())(() (((() ()((( impossible (((() impossible impossible impossible impossible impossible ()(()( impossible impossible impossible )))(()(...
result:
wrong answer the result string is incorrect (test case 2)