#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 500007;
const ll inf = 2e9;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;
char ans[M];
int n, q;
int main(){
// ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> q;
for(int i = 1; i <= n; ++i) if(!ans[i]){
bool ok = 0;
for(int j = i + 1; j <= n; ++j) if(!ans[j]){
if(q == 0) while(1);
--q;
cout << "? " << i << " " << j << endl;
cout.flush();
cin >> ok;
if(ok){
ans[i] = '(';
ans[j] = ')';
break;
}
}
if(!ok) ans[i] = ')';
}
cout << "! ";
for(int i = 1; i <= n; ++i) cout << ans[i];
cout << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
6 ms |
208 KB |
Output is correct |
3 |
Correct |
47 ms |
208 KB |
Output is correct |
4 |
Correct |
59 ms |
208 KB |
Output is correct |
5 |
Correct |
115 ms |
208 KB |
Output is correct |
6 |
Correct |
171 ms |
208 KB |
Output is correct |
7 |
Runtime error |
1514 ms |
288 KB |
Execution killed with signal 13 |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
208 KB |
Mismatch at position 2. Expected (, found ) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3055 ms |
208 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3060 ms |
208 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |