#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
int n, q;
cin >> n >> q;
vector<int> c;
vector<char> resp(n);
for(int i=1; i<=n; i++){
if(c.empty()){
c.push_back(i);
}
else{
cout << "? " << c.back() << " " << i << endl;
int r;
cin >> r;
if(r==1){
resp[c.back()-1]='(';
resp[i-1]=')';
c.pop_back();
}
else c.push_back(i);
}
}
int tam=c.size();
for(int i=0; i<tam; i++){
if(i<tam/2){
resp[c[i]-1]='(';
}
else{
resp[c[i]-1]=')';
}
}
cout << "! ";
for(auto x:resp)
cout << x;
cout << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
344 KB |
Output is correct |
3 |
Correct |
5 ms |
344 KB |
Output is correct |
4 |
Correct |
5 ms |
344 KB |
Output is correct |
5 |
Correct |
6 ms |
344 KB |
Output is correct |
6 |
Correct |
6 ms |
344 KB |
Output is correct |
7 |
Correct |
4 ms |
344 KB |
Output is correct |
8 |
Correct |
3 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Mismatch at position 1. Expected ), found ( |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
281 ms |
528 KB |
Output is correct |
3 |
Correct |
588 ms |
524 KB |
Output is correct |
4 |
Correct |
597 ms |
528 KB |
Output is correct |
5 |
Correct |
590 ms |
596 KB |
Output is correct |
6 |
Correct |
576 ms |
524 KB |
Output is correct |
7 |
Correct |
597 ms |
1536 KB |
Output is correct |
8 |
Correct |
540 ms |
528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
Mismatch at position 1. Expected ), found ( |
2 |
Halted |
0 ms |
0 KB |
- |