#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define pb push_back
#define ff first
#define ss second
int main(){
ios_base::sync_with_stdio(NULL);cin.tie(NULL);
int n,q,ok;cin>>n>>q;
char ans[n+1];
stack<int>st;
for(int i=1;i<=n;i++){
if(st.size()==0){
st.push(i);
continue;
}
cout<<"? "<<st.top()<<" "<<i<<endl;
cin>>ok;
if(ok){
ans[st.top()]='(';
ans[i]=')';
st.pop();
}
else{
st.push(i);
}
}
int n1=st.size();
for(int i=0;i<n1/2;i++){
ans[st.top()]='(';
st.pop();
}
while(st.size()){
ans[st.top()]=')';
st.pop();
}
cout<<"! ";
for(int i=1;i<=n;i++)cout<<ans[i];
cout<<endl;
}
/*
((()))
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
9 ms |
336 KB |
Output is correct |
3 |
Correct |
13 ms |
336 KB |
Output is correct |
4 |
Correct |
18 ms |
336 KB |
Output is correct |
5 |
Correct |
16 ms |
336 KB |
Output is correct |
6 |
Correct |
18 ms |
336 KB |
Output is correct |
7 |
Correct |
17 ms |
336 KB |
Output is correct |
8 |
Correct |
12 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
15 ms |
336 KB |
Output is correct |
3 |
Correct |
16 ms |
336 KB |
Output is correct |
4 |
Correct |
14 ms |
448 KB |
Output is correct |
5 |
Correct |
15 ms |
336 KB |
Output is correct |
6 |
Correct |
16 ms |
336 KB |
Output is correct |
7 |
Correct |
16 ms |
336 KB |
Output is correct |
8 |
Correct |
14 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
915 ms |
540 KB |
Output is correct |
3 |
Correct |
1906 ms |
536 KB |
Output is correct |
4 |
Correct |
1884 ms |
536 KB |
Output is correct |
5 |
Correct |
1856 ms |
536 KB |
Output is correct |
6 |
Correct |
1850 ms |
540 KB |
Output is correct |
7 |
Correct |
1817 ms |
1452 KB |
Output is correct |
8 |
Correct |
1864 ms |
540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1901 ms |
1592 KB |
Output is correct |
3 |
Correct |
1875 ms |
1356 KB |
Output is correct |
4 |
Correct |
1781 ms |
1424 KB |
Output is correct |
5 |
Correct |
1934 ms |
1112 KB |
Output is correct |
6 |
Correct |
1806 ms |
1208 KB |
Output is correct |
7 |
Correct |
1892 ms |
916 KB |
Output is correct |
8 |
Correct |
1788 ms |
536 KB |
Output is correct |