#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 |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
344 KB |
Output is correct |
3 |
Correct |
5 ms |
344 KB |
Output is correct |
4 |
Correct |
4 ms |
344 KB |
Output is correct |
5 |
Correct |
4 ms |
344 KB |
Output is correct |
6 |
Correct |
5 ms |
344 KB |
Output is correct |
7 |
Correct |
4 ms |
344 KB |
Output is correct |
8 |
Correct |
4 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
4 ms |
344 KB |
Output is correct |
3 |
Correct |
4 ms |
344 KB |
Output is correct |
4 |
Correct |
4 ms |
344 KB |
Output is correct |
5 |
Correct |
7 ms |
600 KB |
Output is correct |
6 |
Correct |
3 ms |
344 KB |
Output is correct |
7 |
Correct |
4 ms |
448 KB |
Output is correct |
8 |
Correct |
4 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
232 ms |
520 KB |
Output is correct |
3 |
Correct |
587 ms |
528 KB |
Output is correct |
4 |
Correct |
559 ms |
532 KB |
Output is correct |
5 |
Correct |
528 ms |
528 KB |
Output is correct |
6 |
Correct |
551 ms |
596 KB |
Output is correct |
7 |
Correct |
506 ms |
1116 KB |
Output is correct |
8 |
Correct |
560 ms |
528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
570 ms |
1704 KB |
Output is correct |
3 |
Correct |
572 ms |
908 KB |
Output is correct |
4 |
Correct |
623 ms |
1588 KB |
Output is correct |
5 |
Correct |
600 ms |
1140 KB |
Output is correct |
6 |
Correct |
560 ms |
1696 KB |
Output is correct |
7 |
Correct |
516 ms |
1064 KB |
Output is correct |
8 |
Correct |
520 ms |
524 KB |
Output is correct |