답안 #320623

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
320623	2020-11-09T09:33:32 Z	teehandsome	JJOOII 2 (JOI20_ho_t2)	C++11	100 / 100	11 ms	2160 KB

ho_t2

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define endl '\n'
#define INF 1e9+7
#define all(x) x.begin(),x.end()
using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using pii=pair<int,int>;
using ppi=pair<int,pii>;
using oset=tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;

template<typename T>
void _print(vector<T> x) {for(auto e:x) cerr<<e<<",";}
template<typename T>
void _print(T x) {cerr<<x;}

void dbg() {cerr<<endl;}
template<typename Head,typename... Tail>
void dbg(Head H,Tail... T) {
    _print(H);
    if(sizeof...(T)) cerr<<",";
    else cerr<<"\"]";
    dbg(T...);
}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:[\"",dbg(__VA_ARGS__)

int n,k;
string s;

int main () {
    ios::sync_with_stdio(false); cin.tie(0);
    cin>>n>>k>>s;
    vector<int> J,O,I;
    for(int i=0;i<n;i++) {
        if(s[i]=='J') J.push_back(i);
        else if(s[i]=='O') O.push_back(i);
        else I.push_back(i);
    }
    int j_len=J.size(),o_len=O.size(),i_len=I.size();
    if(j_len<k or o_len<k or i_len<k) {
        cout<<"-1"<<endl; return 0;
    }
    int ans=INF;
    //debug(J); debug(O); debug(I);
    for(int i=0;i<o_len-k+1;i++) {
        int first_O=O[i];
        int last_O=O[i+k-1];
        int pos1_I=lower_bound(all(I),last_O)-begin(I);
        if(I[pos1_I]<last_O or pos1_I+k>i_len) continue;
        int last_all=I[pos1_I+k-1];
        int pos2_J=lower_bound(all(J),first_O)-begin(J)-1;
        if(pos2_J<k-1 or J[pos2_J]>first_O) continue;
        int first_all=J[pos2_J-k+1];
        ans=min(ans,last_all-first_all-3*k+1);
    }

    if(ans==INF) cout<<"-1"<<endl;
    else cout<<ans<<endl;
}

Subtask #1
1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct

Subtask #3
87.0 / 87.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	10 ms	1640 KB	Output is correct
37	Correct	11 ms	2096 KB	Output is correct
38	Correct	11 ms	1988 KB	Output is correct
39	Correct	10 ms	2012 KB	Output is correct
40	Correct	9 ms	2032 KB	Output is correct
41	Correct	10 ms	1972 KB	Output is correct
42	Correct	11 ms	1972 KB	Output is correct
43	Correct	5 ms	1420 KB	Output is correct
44	Correct	6 ms	1520 KB	Output is correct
45	Correct	8 ms	2032 KB	Output is correct
46	Correct	8 ms	2024 KB	Output is correct
47	Correct	8 ms	2160 KB	Output is correct
48	Correct	8 ms	2032 KB	Output is correct
49	Correct	6 ms	1396 KB	Output is correct
50	Correct	8 ms	2020 KB	Output is correct
51	Correct	8 ms	2032 KB	Output is correct
52	Correct	4 ms	1648 KB	Output is correct
53	Correct	5 ms	1764 KB	Output is correct
54	Correct	6 ms	2036 KB	Output is correct
55	Correct	4 ms	2036 KB	Output is correct
56	Correct	3 ms	2036 KB	Output is correct

답안 #320623

Compilation message

Subtask #1 1.0 / 1.0

Subtask #2 12.0 / 12.0

Subtask #3 87.0 / 87.0

Subtask #1
1.0 / 1.0

Subtask #2
12.0 / 12.0

Subtask #3
87.0 / 87.0