#include<bits/stdc++.h>
using namespace std;
#define int long long
const int mod = 1e9+7;
#define deb(x) cout<<#x<<": "<<x<<endl
int iceil(int a, int b) {
return (a + b - 1) / b;
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.precision(20);
#ifdef strawberryshaker2005
freopen("input.txt", "r", stdin);
#endif
int n,k;
cin>>n>>k;
string s;
cin>>s;
vector<int> J,O,I;
for(int i=0;i<n;i++){
if(s[i]=='J') J.push_back(i);
if(s[i]=='O') O.push_back(i);
if(s[i]=='I') I.push_back(i);
}
int ans=mod;
for(int i=0;i+k-1<J.size();i++){
int start=J[i];
//deb(J[i]);
int end=lower_bound(O.begin(),O.end(),J[i+k-1]+1)-O.begin();
end=end+k-1;
//deb(end);
if(end>=O.size()) continue;
end=O[end];
end=lower_bound(I.begin(),I.end(),end)-I.begin();
end=end+k-1;
if(end>=I.size()) continue;
end=I[end];
ans=min(ans,end-start+1);
}
if(ans==mod) cout<<"-1\n";
else cout<<ans-3*k<<endl;
return(0);
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:34:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
34 | for(int i=0;i+k-1<J.size();i++){
| ~~~~~^~~~~~~~~
ho_t2.cpp:40:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | if(end>=O.size()) continue;
| ~~~^~~~~~~~~~
ho_t2.cpp:44:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | if(end>=I.size()) continue;
| ~~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
392 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
392 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
2 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
2 ms |
364 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
2 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
392 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
2 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
2 ms |
364 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
2 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
12 ms |
2396 KB |
Output is correct |
37 |
Correct |
14 ms |
2912 KB |
Output is correct |
38 |
Correct |
16 ms |
2912 KB |
Output is correct |
39 |
Correct |
13 ms |
3000 KB |
Output is correct |
40 |
Correct |
11 ms |
3044 KB |
Output is correct |
41 |
Correct |
12 ms |
3044 KB |
Output is correct |
42 |
Correct |
13 ms |
2916 KB |
Output is correct |
43 |
Correct |
6 ms |
1856 KB |
Output is correct |
44 |
Correct |
9 ms |
2168 KB |
Output is correct |
45 |
Correct |
10 ms |
2984 KB |
Output is correct |
46 |
Correct |
10 ms |
2984 KB |
Output is correct |
47 |
Correct |
10 ms |
3044 KB |
Output is correct |
48 |
Correct |
11 ms |
3016 KB |
Output is correct |
49 |
Correct |
7 ms |
1892 KB |
Output is correct |
50 |
Correct |
10 ms |
3012 KB |
Output is correct |
51 |
Correct |
10 ms |
3044 KB |
Output is correct |
52 |
Correct |
6 ms |
2520 KB |
Output is correct |
53 |
Correct |
7 ms |
2912 KB |
Output is correct |
54 |
Correct |
9 ms |
3312 KB |
Output is correct |
55 |
Correct |
8 ms |
3312 KB |
Output is correct |
56 |
Correct |
6 ms |
3312 KB |
Output is correct |