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답안 #226462

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
226462 2020-04-23T21:13:19 Z thebes JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
 25 ms 5812 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

const int MN = 2e5+5;
int N, K, i, j, psa[MN][3], dp[MN][3], ans=1<<30;
string s;

int main(){
    cin >> N >> K >> s;
    s.insert(s.begin(),' ');
    for(i=1;i<=N;i++){
        for(j=0;j<3;j++)
            psa[i][j]=psa[i-1][j];
        if(s[i]=='J') psa[i][0]++;
        else if(s[i]=='O') psa[i][1]++;
        else if(s[i]=='I') psa[i][2]++;
    }
    memset(dp,-1,sizeof(dp));
    for(int k=0;k<3;k++){
        for(i=j=1;i<=N;i++){
            while(j+1<=i&&psa[i][k]-psa[j][k]>=K) j++;
            if(psa[i][k]-psa[j-1][k]<K) continue;
            if(!k) dp[i][k]=i-j+1-K;
            else if(dp[j-1][k-1]!=-1) dp[i][k]=dp[j-1][k-1]+i-j+1-K;
        }
    }
    for(i=1;i<=N;i++){
        if(dp[i][2]!=-1) ans=min(ans,dp[i][2]);
    }
    printf("%d\n",ans==1<<30?-1:ans);
    return 0;
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 5 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 5 ms 2688 KB Output is correct
6 Correct 5 ms 2560 KB Output is correct
7 Correct 5 ms 2688 KB Output is correct
8 Correct 5 ms 2688 KB Output is correct
9 Correct 6 ms 2816 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2560 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 5 ms 2688 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 5 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 5 ms 2688 KB Output is correct
6 Correct 5 ms 2560 KB Output is correct
7 Correct 5 ms 2688 KB Output is correct
8 Correct 5 ms 2688 KB Output is correct
9 Correct 6 ms 2816 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2560 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 5 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2688 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct
22 Correct 6 ms 2688 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 6 ms 2688 KB Output is correct
25 Correct 6 ms 2688 KB Output is correct
26 Correct 6 ms 2688 KB Output is correct
27 Correct 6 ms 2688 KB Output is correct
28 Correct 6 ms 2688 KB Output is correct
29 Correct 6 ms 2816 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2688 KB Output is correct
32 Correct 6 ms 2688 KB Output is correct
33 Correct 6 ms 2688 KB Output is correct
34 Correct 6 ms 2688 KB Output is correct
35 Correct 6 ms 2688 KB Output is correct

Subtask #3
87.0 / 87.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 5 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 5 ms 2688 KB Output is correct
6 Correct 5 ms 2560 KB Output is correct
7 Correct 5 ms 2688 KB Output is correct
8 Correct 5 ms 2688 KB Output is correct
9 Correct 6 ms 2816 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2560 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 5 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2688 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct
22 Correct 6 ms 2688 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 6 ms 2688 KB Output is correct
25 Correct 6 ms 2688 KB Output is correct
26 Correct 6 ms 2688 KB Output is correct
27 Correct 6 ms 2688 KB Output is correct
28 Correct 6 ms 2688 KB Output is correct
29 Correct 6 ms 2816 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2688 KB Output is correct
32 Correct 6 ms 2688 KB Output is correct
33 Correct 6 ms 2688 KB Output is correct
34 Correct 6 ms 2688 KB Output is correct
35 Correct 6 ms 2688 KB Output is correct
36 Correct 22 ms 5520 KB Output is correct
37 Correct 23 ms 5520 KB Output is correct
38 Correct 23 ms 5520 KB Output is correct
39 Correct 25 ms 5520 KB Output is correct
40 Correct 23 ms 5520 KB Output is correct
41 Correct 24 ms 5520 KB Output is correct
42 Correct 25 ms 5520 KB Output is correct
43 Correct 16 ms 4496 KB Output is correct
44 Correct 19 ms 4880 KB Output is correct
45 Correct 23 ms 5520 KB Output is correct
46 Correct 23 ms 5520 KB Output is correct
47 Correct 23 ms 5520 KB Output is correct
48 Correct 23 ms 5520 KB Output is correct
49 Correct 18 ms 4624 KB Output is correct
50 Correct 23 ms 5520 KB Output is correct
51 Correct 25 ms 5812 KB Output is correct
52 Correct 20 ms 5520 KB Output is correct
53 Correct 20 ms 5520 KB Output is correct
54 Correct 19 ms 5520 KB Output is correct
55 Correct 18 ms 5520 KB Output is correct
56 Correct 18 ms 5520 KB Output is correct