답안 #1102081

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1102081	2024-10-17T11:46:13 Z	stdfloat	JJOOII 2 (JOI20_ho_t2)	C++17	100 / 100	13 ms	2172 KB

ho_t2

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

#define sz(v)	(int)(v).size()
#define all(v)	(v).begin(), (v).end()

int f(char c) {
	return (c == 'J' ? 0 : 1 + (c == 'I'));
}

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n, k;
	string s;
	cin >> n >> k >> s;

	vector<int> v[3];
	for (int i = 0; i < n; i++)
		v[f(s[i])].push_back(i);

	int mn = n;
	for (int i = 0; i < n; i++) {
		if (s[i] != 'J') continue;
	
		int x = i - 1;
		for (int j = 0; j < 3; j++) {
			x = upper_bound(all(v[j]), x) - v[j].begin();

			if (x + k > sz(v[j])) {
				x = n; break;
			}

			x = v[j][x + k - 1];
		}

		if (x == n) break;

		mn = min(mn, x - i);
	}

	cout << (mn == n ? -1 : mn + 1 - 3 * k);
}

Subtask #1

1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct

Subtask #2

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	488 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	504 KB	Output is correct
26	Correct	1 ms	508 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	1 ms	336 KB	Output is correct
34	Correct	1 ms	460 KB	Output is correct
35	Correct	1 ms	336 KB	Output is correct

Subtask #3

87.0 / 87.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	488 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	504 KB	Output is correct
26	Correct	1 ms	508 KB	Output is correct
27	Correct	1 ms	336 KB	Output is correct
28	Correct	1 ms	336 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct
31	Correct	1 ms	336 KB	Output is correct
32	Correct	1 ms	336 KB	Output is correct
33	Correct	1 ms	336 KB	Output is correct
34	Correct	1 ms	460 KB	Output is correct
35	Correct	1 ms	336 KB	Output is correct
36	Correct	11 ms	1816 KB	Output is correct
37	Correct	13 ms	1820 KB	Output is correct
38	Correct	13 ms	1960 KB	Output is correct
39	Correct	11 ms	2004 KB	Output is correct
40	Correct	6 ms	2004 KB	Output is correct
41	Correct	9 ms	1856 KB	Output is correct
42	Correct	12 ms	1844 KB	Output is correct
43	Correct	2 ms	1392 KB	Output is correct
44	Correct	3 ms	1492 KB	Output is correct
45	Correct	4 ms	2004 KB	Output is correct
46	Correct	4 ms	2164 KB	Output is correct
47	Correct	4 ms	2172 KB	Output is correct
48	Correct	4 ms	2004 KB	Output is correct
49	Correct	3 ms	1344 KB	Output is correct
50	Correct	5 ms	1992 KB	Output is correct
51	Correct	5 ms	2008 KB	Output is correct
52	Correct	4 ms	1788 KB	Output is correct
53	Correct	4 ms	1992 KB	Output is correct
54	Correct	7 ms	2008 KB	Output is correct
55	Correct	5 ms	2008 KB	Output is correct
56	Correct	3 ms	2008 KB	Output is correct