#include <bits/stdc++.h>
using namespace std;
const int N=2e5+5;
int n,k,ans,d,x,y; string s;
vector <int> j,o,_i;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin>>n>>k>>s;
for (int i=0; i<n; i++){
if (s[i]=='J'){
j.push_back(i+1);
}
if (s[i]=='O'){
o.push_back(i+1);
}
if (s[i]=='I'){
_i.push_back(i+1);
}
} ans=1e9;
for (int i=0; i<(int)o.size()-k+1; i++){
x=lower_bound(j.begin(),j.end(),o[i])-1-j.begin();
y=lower_bound(_i.begin(),_i.end(),o[i+k-1])-_i.begin();
if (x<k-1) continue;
if (y>(int)_i.size()-k) continue;
ans=min(ans,_i[y+k-1]-j[x-k+1]+1-3*k);
}
cout<<(ans<1e9?ans:-1);
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
600 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
600 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
600 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
456 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
344 KB |
Output is correct |
| 34 |
Correct |
0 ms |
456 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
600 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
600 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
456 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
344 KB |
Output is correct |
| 34 |
Correct |
0 ms |
456 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
7 ms |
1748 KB |
Output is correct |
| 37 |
Correct |
7 ms |
1832 KB |
Output is correct |
| 38 |
Correct |
7 ms |
1988 KB |
Output is correct |
| 39 |
Correct |
7 ms |
2016 KB |
Output is correct |
| 40 |
Correct |
6 ms |
2016 KB |
Output is correct |
| 41 |
Correct |
6 ms |
1932 KB |
Output is correct |
| 42 |
Correct |
7 ms |
2040 KB |
Output is correct |
| 43 |
Correct |
4 ms |
1400 KB |
Output is correct |
| 44 |
Correct |
4 ms |
1424 KB |
Output is correct |
| 45 |
Correct |
6 ms |
2012 KB |
Output is correct |
| 46 |
Correct |
6 ms |
2008 KB |
Output is correct |
| 47 |
Correct |
7 ms |
2272 KB |
Output is correct |
| 48 |
Correct |
6 ms |
2052 KB |
Output is correct |
| 49 |
Correct |
4 ms |
1472 KB |
Output is correct |
| 50 |
Correct |
6 ms |
1928 KB |
Output is correct |
| 51 |
Correct |
6 ms |
2016 KB |
Output is correct |
| 52 |
Correct |
3 ms |
1632 KB |
Output is correct |
| 53 |
Correct |
4 ms |
1748 KB |
Output is correct |
| 54 |
Correct |
4 ms |
2020 KB |
Output is correct |
| 55 |
Correct |
3 ms |
2020 KB |
Output is correct |
| 56 |
Correct |
2 ms |
2020 KB |
Output is correct |
