답안 #209388

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
209388	2020-03-14T04:11:32 Z	Autoratch	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	16 ms	1916 KB

ho_t2

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

int n,k,ans = INT_MAX;
string s;
vector<int> a,b,c;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    cin >> n >> k >> s;
    for(int i = 0;i < n;i++)
    {
        char ch = s[i];
        if(ch=='J') a.push_back(i);
        else if(ch=='O') b.push_back(i);
        else c.push_back(i);
    }
    for(int i = 0;i+k-1 < a.size();i++)
    {
        int x = a[i+k-1];
        auto ib = upper_bound(b.begin(),b.end(),x);
        if((int)(b.end()-ib)<k) break;
        ib+=k-1;
        x = *ib;
        auto ic = upper_bound(c.begin(),c.end(),x);
        if((int)(c.end()-ic)<k) break;
        ic+=k-1;
        ans = min(ans,*ic-a[i]+1-(k*3));
    }
    if(ans==INT_MAX) ans = -1;
    cout << ans;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:20:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i+k-1 < a.size();i++)
                   ~~~~~~^~~~~~~~~~

Subtask #1

1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	248 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct

Subtask #2

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	248 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	5 ms	376 KB	Output is correct
31	Correct	5 ms	376 KB	Output is correct
32	Correct	5 ms	376 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct

Subtask #3

87.0 / 87.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	248 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	5 ms	376 KB	Output is correct
31	Correct	5 ms	376 KB	Output is correct
32	Correct	5 ms	376 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	14 ms	1404 KB	Output is correct
37	Correct	15 ms	1728 KB	Output is correct
38	Correct	16 ms	1772 KB	Output is correct
39	Correct	14 ms	1788 KB	Output is correct
40	Correct	10 ms	1884 KB	Output is correct
41	Correct	13 ms	1772 KB	Output is correct
42	Correct	15 ms	1660 KB	Output is correct
43	Correct	7 ms	1240 KB	Output is correct
44	Correct	7 ms	1392 KB	Output is correct
45	Correct	8 ms	1916 KB	Output is correct
46	Correct	8 ms	1656 KB	Output is correct
47	Correct	8 ms	1788 KB	Output is correct
48	Correct	8 ms	1788 KB	Output is correct
49	Correct	7 ms	1160 KB	Output is correct
50	Correct	8 ms	1660 KB	Output is correct
51	Correct	8 ms	1660 KB	Output is correct
52	Correct	8 ms	1472 KB	Output is correct
53	Correct	9 ms	1728 KB	Output is correct
54	Correct	8 ms	1788 KB	Output is correct
55	Correct	7 ms	1788 KB	Output is correct
56	Correct	7 ms	1788 KB	Output is correct