#include <bits/stdc++.h>
using namespace std;
typedef long long lo;
typedef pair< lo,lo > PII;
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;
int n,m,b[li],a[li],k,flag,t,ans=inf;
int cev;
string s;
vector<int> v;
int main(void){
fio();
cin>>n>>k>>s;
for(int i=0;i<n;i++){
if(s[i]!='J')continue;
int ind=-1;
for(int j=i;j<n;j++){
if(s[j]=='J')cev++;
if(cev==k){ind=j;break;}
}
//~ cout<<cev<<endl;
if(ind==-1)continue;
cev=0;
for(int j=ind;j<n;j++){
if(s[j]=='O')cev++;
//~ cout<<
if(cev==k){ind=j;break;}
}
//~ cout<<cev<<endl;
if(cev!=k)continue;
cev=0;
for(int j=ind;j<n;j++){
if(s[j]=='I')cev++;
if(cev==k){ind=j;break;}
}
//~ cout<<ind<<" : : "<<i<<endl;
if(cev==k)ans=min(ans,ind-i+1-k*3);
}
if(ans==inf)ans=-1;
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |