oj.uz

답안 #365606

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
365606 2021-02-12T00:30:46 Z Rainbowbunny JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 15 ms 1892 KB 
#include <iostream>
#include <vector>

int n, k;
std::vector <int> J, O, I;

int main()
{
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(0);
	std::cout.tie(0);
	std::cin >> n >> k;
	for(int i = 1; i <= n; i++)
	{
		char x;
		std::cin >> x;
		if(x == 'J')
		{
			J.push_back(i);
		}
		else if(x == 'O')
		{
			O.push_back(i);
		}
		else
		{
			I.push_back(i);
		}
	}
	int ans = 1e9;
	for(int i = 0; i + k <= J.size(); i++)
	{
		int l = J[i];
		int r = J[i + k - 1];
		r = std::lower_bound(O.begin(), O.end(), r) - O.begin();
		r = r + k - 1;
		if(r >= O.size())
		{
			continue;
		}
		r = O[r];
		r = std::lower_bound(I.begin(), I.end(), r) - I.begin();
		r = r + k - 1;
		if(r >= I.size())
		{
			continue;
		}
		r = I[r];
		ans = std::min(ans, r - l + 1);
	}
	if(ans > n)
	{
		std::cout << -1;
		return 0;
	}
	std::cout << ans - 3 * k;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |  for(int i = 0; i + k <= J.size(); i++)
      |                 ~~~~~~^~~~~~~~~~~
ho_t2.cpp:37:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |   if(r >= O.size())
      |      ~~^~~~~~~~~~~
ho_t2.cpp:44:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   if(r >= I.size())
      |      ~~^~~~~~~~~~~

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct

Subtask #3
87.0 / 87.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 12 ms 1384 KB Output is correct
37 Correct 15 ms 1704 KB Output is correct
38 Correct 14 ms 1756 KB Output is correct
39 Correct 13 ms 1780 KB Output is correct
40 Correct 11 ms 1764 KB Output is correct
41 Correct 12 ms 1764 KB Output is correct
42 Correct 13 ms 1768 KB Output is correct
43 Correct 6 ms 1260 KB Output is correct
44 Correct 8 ms 1260 KB Output is correct
45 Correct 10 ms 1892 KB Output is correct
46 Correct 10 ms 1764 KB Output is correct
47 Correct 11 ms 1764 KB Output is correct
48 Correct 10 ms 1892 KB Output is correct
49 Correct 7 ms 1256 KB Output is correct
50 Correct 10 ms 1764 KB Output is correct
51 Correct 10 ms 1764 KB Output is correct
52 Correct 7 ms 1384 KB Output is correct
53 Correct 7 ms 1756 KB Output is correct
54 Correct 8 ms 1776 KB Output is correct
55 Correct 6 ms 1776 KB Output is correct
56 Correct 5 ms 1776 KB Output is correct