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Submission #442579

# Submission time Handle Problem Language Result Execution time Memory
442579 2021-07-08T08:28:21 Z BornaCizmarevic Zagrade (COI20_zagrade) C++14
0 / 100
 1 ms 200 KB 
#include <bits/stdc++.h>

using namespace std;

int main (){
	
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	int n,q;
	cin>>n;
	cin>>q;
	string s="";
	s=s+'(';
	int p=1;
	vector <int> v;
	v.push_back(1);
	for (int i=1;i<n;i++){
		p=v[v.size()-1];
		cout<<"? "<<p<<" "<<i+1<<endl;
		bool ans;
		cin>>ans;
		if (ans==0){
			s=s+'(';
			v.push_back(i+1);
		}
		if (ans==1){
			s=s+')';
			v.pop_back();
		}
	}
	cout<<s;
	return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 200 KB Incorrect query ()
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Incorrect query ((
2 Halted 0 ms 0 KB -

Subtask #3
0 / 57.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 200 KB Incorrect query (())
2 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 200 KB Incorrect query ((((
2 Halted 0 ms 0 KB -