답안 #237165

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
237165	2020-06-05T02:42:02 Z	wwdd	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	33 ms	3212 KB

ho_t2

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INFL = 1e18;
const int MN = 200100;
int pr[3][MN];
int main() {
	ios::sync_with_stdio(0);cin.tie(0);
	ll n,k;
	cin >> n >> k;
	string s;
	cin >> s;
	pr[0][0] = pr[0][1] = pr[0][2] = 0;
	for(int i=0;i<n;i++) {
		for(int j=0;j<3;j++) {
			pr[j][i+1] = pr[j][i];
		}
		if(s[i] == 'J') {
			pr[0][i+1]++;
		} else if(s[i] == 'O') {
			pr[1][i+1]++;
		} else {
			pr[2][i+1]++;
		}
	}
	ll res = -1;
	for(int i=0;i<n;i++) {
		int u = i;
		for(int j=0;j<3;j++) {
			u = lower_bound(pr[j]+u,pr[j]+n+1,pr[j][u]+k)-pr[j];
		}
		if(u <= n) {
			res = max(res,i+n-u);
		}
	}
	if(res == -1) {
		cout << -1 << '\n';
	} else {
		ll ans = n-3*k-res;
		cout << ans << '\n';
	}
}

Subtask #1

1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	512 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	4 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct

Subtask #2

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	512 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	4 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	512 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct

Subtask #3

87.0 / 87.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	512 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	4 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	512 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	23 ms	3084 KB	Output is correct
37	Correct	25 ms	3212 KB	Output is correct
38	Correct	25 ms	3212 KB	Output is correct
39	Correct	33 ms	3212 KB	Output is correct
40	Correct	25 ms	3212 KB	Output is correct
41	Correct	31 ms	3212 KB	Output is correct
42	Correct	33 ms	3212 KB	Output is correct
43	Correct	15 ms	2176 KB	Output is correct
44	Correct	19 ms	2572 KB	Output is correct
45	Correct	23 ms	3212 KB	Output is correct
46	Correct	23 ms	3212 KB	Output is correct
47	Correct	23 ms	3212 KB	Output is correct
48	Correct	23 ms	3212 KB	Output is correct
49	Correct	17 ms	2444 KB	Output is correct
50	Correct	24 ms	3212 KB	Output is correct
51	Correct	23 ms	3212 KB	Output is correct
52	Correct	15 ms	3084 KB	Output is correct
53	Correct	15 ms	3212 KB	Output is correct
54	Correct	17 ms	3212 KB	Output is correct
55	Correct	15 ms	3212 KB	Output is correct
56	Correct	13 ms	3212 KB	Output is correct