#include "bits/stdc++.h"
#define int long long
using namespace std;
const int mod = 1000000007;
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int n,k;
cin>>n>>k;
string s;
cin>>s;
int mn=1e18;
for(int l=0;l<n;l++){
string s2="";
for(int r=l;r<n;r++){
int ok1=0,ok2=0,ok3=0;
s2.push_back(s[r]);
for(int i=0;i<s2.size();i++){
if(s2[i]=='J'){
ok1++;
}
if(ok1>=k and s2[i]=='O'){
ok2++;
}
if(ok2>=k and s2[i]=='I'){
ok3++;
}
}
if(ok3>=k){
mn=min(mn,(r-l+1)-(3*k));
}
// cout<<l<<" "<<r<<endl;
// cout<<s2<<endl<<endl;
}
}
if(mn==1e18){
cout<<-1;
}else{
cout<<mn;
}
// int t;
// cin>>t;
// while(t--){
// int n, m; cin >> n >> m;
//// f.resize(n + 1), inv.resize(n + 1);
////
//// f[0] = inv[0] = 1;
//// for(int i=1;i<=n;i++){
//// f[i] = f[i - 1] * 1ll * i % mod;
////
//// inv[i] = binary_power(f[i], mod - 2, mod);
//// }
//
// cout<<bin(n,m)<<"\n";
//}
return 0;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:18:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | for(int i=0;i<s2.size();i++){
| ~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
452 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
452 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Execution timed out |
2095 ms |
348 KB |
Time limit exceeded |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
452 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Execution timed out |
2095 ms |
348 KB |
Time limit exceeded |
16 |
Halted |
0 ms |
0 KB |
- |