답안 #312496

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
312496	2020-10-13T14:42:41 Z	quocnguyen1012	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	39 ms	3400 KB

ho_t2

#include<bits/stdc++.h>
 
using namespace std;
 
const int N=2e5+5;
string s;
int n,k,sum[3][N];
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>n>>k;
    cin>>s;
    s="."+s;
    for(int i=1;i<=n;i++)
    {
        sum[0][i]=sum[0][i-1]+(s[i]=='J');
        sum[1][i]=sum[1][i-1]+(s[i]=='O');
        sum[2][i]=sum[2][i-1]+(s[i]=='I');
    }
    int res=-1;
    for(int i=1;i<=n-3*k+1;i++)
    {
        bool kt=true;
        int cur=i;
        for(int j=0;j<3;j++)
        {
            int to=lower_bound(sum[j]+1,sum[j]+n+1,sum[j][cur-1]+k)-sum[j];
            if(to>n) kt=false;
            cur=to+1;
        }
        if(!kt) continue;
        if(res==-1||res>(cur-i)-3*k) res=(cur-i)-3*k;
    }
    cout<<res;
}

Subtask #1

1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct

Subtask #2

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct

Subtask #3

87.0 / 87.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	31 ms	3028 KB	Output is correct
37	Correct	33 ms	3144 KB	Output is correct
38	Correct	39 ms	3144 KB	Output is correct
39	Correct	36 ms	3144 KB	Output is correct
40	Correct	22 ms	3400 KB	Output is correct
41	Correct	29 ms	3144 KB	Output is correct
42	Correct	37 ms	3168 KB	Output is correct
43	Correct	12 ms	2304 KB	Output is correct
44	Correct	15 ms	2548 KB	Output is correct
45	Correct	20 ms	3144 KB	Output is correct
46	Correct	19 ms	3144 KB	Output is correct
47	Correct	19 ms	3144 KB	Output is correct
48	Correct	19 ms	3144 KB	Output is correct
49	Correct	13 ms	2312 KB	Output is correct
50	Correct	19 ms	3144 KB	Output is correct
51	Correct	19 ms	3144 KB	Output is correct
52	Correct	6 ms	3152 KB	Output is correct
53	Correct	7 ms	3144 KB	Output is correct
54	Correct	22 ms	3144 KB	Output is correct
55	Correct	9 ms	3272 KB	Output is correct
56	Correct	3 ms	3144 KB	Output is correct