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Submission #442585

# Submission time Handle Problem Language Result Execution time Memory
442585 2021-07-08T08:38:19 Z BornaCizmarevic Zagrade (COI20_zagrade) C++14
71 / 100
 1816 ms 1864 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();
			if (v.size()==0 and i<n-1){
				s=s+'(';
				v.push_back(i+2);
				i++;
			}
		}
	}
	cout<<"! "<<s;
	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 6 ms 328 KB Output is correct
3 Correct 9 ms 328 KB Output is correct
4 Correct 13 ms 328 KB Output is correct
5 Correct 13 ms 328 KB Output is correct
6 Correct 10 ms 328 KB Output is correct
7 Correct 10 ms 448 KB Output is correct
8 Correct 11 ms 328 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Mismatch at position 1. Expected ), found (
2 Halted 0 ms 0 KB -

Subtask #3
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 1192 ms 984 KB Output is correct
3 Correct 1635 ms 1052 KB Output is correct
4 Correct 1461 ms 988 KB Output is correct
5 Correct 1520 ms 960 KB Output is correct
6 Correct 1511 ms 984 KB Output is correct
7 Correct 1594 ms 1152 KB Output is correct
8 Correct 1816 ms 1864 KB Output is correct

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 200 KB Mismatch at position 1. Expected ), found (
2 Halted 0 ms 0 KB -