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Submission #863540

# Submission time Handle Problem Language Result Execution time Memory
863540 2023-10-20T14:48:21 Z Rifal Zagrade (COI20_zagrade) C++14
0 / 100
 227 ms 1560 KB 
#include <bits/stdc++.h>
#include <fstream>
//#define endl '\n'
#define mod 1000000007
#define INF 900000000
//#define cin fin
//#define cout fout
//#define fi first
//#define se second
using namespace std;
//ofstream fout("intel.out");
//ifstream fin("intel.in");

int main()
{
    ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
    int n, q; cin >> n  >> q; string ans;
    int l = 1, r = 2;
    while(r <= n) {
        cout << '?' << ' ' << l << ' ' << r << endl;
        int x; cin >> x;
        if(x == 1) {
            for(int i = 0; i < ((r-l)+1)/2; i++) {
                ans.push_back('(');
            }
            for(int i = 0; i < ((r-l)+1)/2; i++) {
                ans.push_back(')');
            }
            l = r+1;
        }
        r += 2;
    }
    cout << '!' << ' ' << ans << endl;
 return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 600 KB Output is correct
3 Incorrect 2 ms 600 KB Mismatch at position 9. Expected ), found (
4 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 600 KB Unexpected end of file - token expected
2 Halted 0 ms 0 KB -

Subtask #3
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 227 ms 1560 KB Output is correct
3 Incorrect 203 ms 948 KB Mismatch at position 15. Expected ), found (
4 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Unexpected end of file - token expected
2 Halted 0 ms 0 KB -