oj.uz

답안 #1003902

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1003902 2024-06-20T19:45:57 Z vjudge1 Zagrade (COI20_zagrade) C++17
100 / 100
 617 ms 1676 KB 
#include <bits/stdc++.h>
using namespace std;

int query(int a, int b, int &Q)
{
	cout << "? " << a << " " << b << endl;
	int resp; cin >> resp;
	return resp;
}

void solve(int N, int Q)
{
	string resp(N, '.');
	vector<int> resto;
	for (int i = 1; i <= N; i++)
	{
		if (resto.empty()) resto.push_back(i);
		else if(query(resto.back(), i, Q))
		{
			resp[resto.back()-1] = '(';
			resp[i-1] = ')';
			resto.pop_back();
		}
		else resto.push_back(i);
	}
	// cerr << "resp: " << resp << '\n';
	// cerr << "resto: "; for (auto x : resto) cerr << " "; cerr << '\n';
	int sz = resto.size();
	for (int i = 0; i < sz/2; i++) resp[resto[i]-1] = ')';
	for (int i = sz/2; i < sz; i++) resp[resto[i]-1] = '(';
	cout << "! " << resp << endl;
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int N, Q;
	cin >> N >> Q;
	solve(N, Q);
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 4 ms 448 KB Output is correct
4 Correct 4 ms 456 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 4 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct

Subtask #3
57.0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 280 ms 528 KB Output is correct
3 Correct 516 ms 532 KB Output is correct
4 Correct 552 ms 528 KB Output is correct
5 Correct 482 ms 532 KB Output is correct
6 Correct 525 ms 524 KB Output is correct
7 Correct 546 ms 1088 KB Output is correct
8 Correct 512 ms 532 KB Output is correct

Subtask #4
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 561 ms 1676 KB Output is correct
3 Correct 617 ms 1140 KB Output is correct
4 Correct 577 ms 1176 KB Output is correct
5 Correct 595 ms 1148 KB Output is correct
6 Correct 568 ms 1636 KB Output is correct
7 Correct 561 ms 1336 KB Output is correct
8 Correct 548 ms 528 KB Output is correct