| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 226462 |
2020-04-23T21:13:19 Z |
thebes |
JJOOII 2 (JOI20_ho_t2) |
C++14 |
|
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;
}
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
