oj.uz

Submission #773981

# Submission time Handle Problem Language Result Execution time Memory
773981 2023-07-05T10:14:53 Z vjudge1 Zagrade (COI20_zagrade) C++17
100 / 100
 823 ms 1440 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
//#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
char dizi[100005];
vector <string> x;
vector <int> q;

int sor(int x,int y){
    cout<<"? "<<x<<" "<<y;
    cout<<endl;
    int m;cin>>m;
    return m;
}

int32_t main(){
   // faster
    q.clear();
    int n,k;
    cin>>n>>k;
    dizi[1]='(';
    q.push_back(1);
    for(int i=2;i<=n;i++){
        if(q.size() && sor(q.back(),i)){
            dizi[i]=')';
            q.pop_back();
        }
        else{
            dizi[i]='(';
            q.push_back(i);
        }
    }
    int gc=q.size()/2;
    for(int i=0;i<=gc-1;i++){
        dizi[q[i]]=')';
    }
    cout<<"! ";
    for(int i=1;i<=n;i++)cout<<dizi[i];
    cout<<endl;
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 3 ms 208 KB Output is correct
3 Correct 9 ms 336 KB Output is correct
4 Correct 9 ms 208 KB Output is correct
5 Correct 8 ms 208 KB Output is correct
6 Correct 6 ms 208 KB Output is correct
7 Correct 8 ms 308 KB Output is correct
8 Correct 6 ms 208 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 10 ms 312 KB Output is correct
3 Correct 9 ms 208 KB Output is correct
4 Correct 6 ms 312 KB Output is correct
5 Correct 7 ms 208 KB Output is correct
6 Correct 5 ms 208 KB Output is correct
7 Correct 9 ms 312 KB Output is correct
8 Correct 8 ms 208 KB Output is correct

Subtask #3
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 436 ms 380 KB Output is correct
3 Correct 823 ms 448 KB Output is correct
4 Correct 670 ms 360 KB Output is correct
5 Correct 601 ms 456 KB Output is correct
6 Correct 472 ms 384 KB Output is correct
7 Correct 475 ms 1196 KB Output is correct
8 Correct 717 ms 472 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 494 ms 1440 KB Output is correct
3 Correct 565 ms 820 KB Output is correct
4 Correct 752 ms 920 KB Output is correct
5 Correct 637 ms 756 KB Output is correct
6 Correct 684 ms 1008 KB Output is correct
7 Correct 791 ms 732 KB Output is correct
8 Correct 608 ms 360 KB Output is correct