Submission #829046

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
829046	2023-08-18T02:58:02 Z	vjudge1	JJOOII 2 (JOI20_ho_t2)	C++17	100 / 100	6 ms	872 KB

ho_t2

#include <bits/stdc++.h>
using namespace std;
#define fastio ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define fi first
#define se second

ll n, k, ans, j, o, i, cntj, cnto, cnti;
ll a[101];
string joi; //ironically, I'm not joiful.

int main() {
	fastio;
	cin >> n >> k >> joi;
	ans = 1e18;
	for (int t = 0; t < n; t++) {
		while (j < n && cntj < k) {
			if (joi[j] == 'J') {
				cntj++;
			}
			if (joi[j] == 'O') {
				cnto--;
			}
			j++;
		}
		while (o < n && cnto < k) {
			if (joi[o] == 'O') {
				cnto++;
			}
			if (joi[o] == 'I') {
				cnti--;
			}
			o++;
		}
		while (i < n && cnti < k) {
			if (joi[i] == 'I') {
				cnti++;
			}
			i++;
		}
		if (cnti != k) {
			break;
		}
		ans = min(ans, i - t - 3*k);
		if (joi[t] == 'J') {
			cntj--;
		}
	}
	if (ans < n) {
		cout << ans << endl;
	} else {
		cout << -1 << endl;
	}
}

Subtask #1

1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	0 ms	316 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct

Subtask #2

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	0 ms	316 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	316 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	320 KB	Output is correct

Subtask #3

87.0 / 87.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	0 ms	316 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	320 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	316 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	320 KB	Output is correct
36	Correct	5 ms	848 KB	Output is correct
37	Correct	5 ms	868 KB	Output is correct
38	Correct	5 ms	848 KB	Output is correct
39	Correct	5 ms	852 KB	Output is correct
40	Correct	3 ms	872 KB	Output is correct
41	Correct	4 ms	852 KB	Output is correct
42	Correct	6 ms	836 KB	Output is correct
43	Correct	2 ms	596 KB	Output is correct
44	Correct	2 ms	736 KB	Output is correct
45	Correct	3 ms	868 KB	Output is correct
46	Correct	3 ms	840 KB	Output is correct
47	Correct	3 ms	844 KB	Output is correct
48	Correct	4 ms	852 KB	Output is correct
49	Correct	2 ms	724 KB	Output is correct
50	Correct	3 ms	840 KB	Output is correct
51	Correct	3 ms	868 KB	Output is correct
52	Correct	3 ms	852 KB	Output is correct
53	Correct	4 ms	852 KB	Output is correct
54	Correct	2 ms	852 KB	Output is correct
55	Correct	2 ms	852 KB	Output is correct
56	Correct	2 ms	852 KB	Output is correct