oj.uz

Submission #583137

# Submission time Handle Problem Language Result Execution time Memory
583137 2022-06-24T21:56:55 Z Markomafko972 Zagrade (COI20_zagrade) C++14
0 / 100
 1 ms 208 KB 
#include <bits/stdc++.h>
using namespace std;

int n, q, odg;
stack<int> s;
char sol[100005];

int main () {
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	cin >> n >> q;
	for (int i = 1; i <= n; i++) {
		if (s.size() == 0) {
			s.push(i);
			continue;
		}
		
		cout << "? " << s.top() << " " << i << endl;
		cin >> odg;
		if (odg == 0) {
			s.push(i);
		}
		else {
			sol[s.top()] = '(';
			sol[i] = ')';
			s.pop();
		}
	}
	
	int kol = (int)s.size()/2;
	while ((int)s.size() > kol) {
		sol[s.top()] = '(';
		s.pop();
	}
	while ((int)s.size() > 0) {
		sol[s.top()] = ')';
		s.pop();
	}
	
	for (int i = 1; i <= n; i++) cout << sol[i];
	
	return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 208 KB Incorrect query ()
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Incorrect query )(
2 Halted 0 ms 0 KB -

Subtask #3
0 / 57.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Incorrect query (())
2 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Incorrect query ))((
2 Halted 0 ms 0 KB -