#include <bits/stdc++.h>
using namespace std;
int n, k, J[200001], O[200001], I[200001];
vector<int> J_gdzie, O_gdzie, I_gdzie;
string word;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> k;
cin >> word;
if(word[0] == 'J'){
J_gdzie.push_back(0);
J[0]++;
}
if(word[0] == 'O'){
O_gdzie.push_back(0);
O[0]++;
}
if(word[0] == 'I'){
I_gdzie.push_back(0);
I[0]++;
}
for(int i = 1; i < n; i++){
//cout << J[i] << " " << I[i] << " " << O[i] << " " << word[i] << endl;
J[i] = J[i - 1];
O[i] = O[i - 1];
I[i] = I[i - 1];
if(word[i] == 'J'){
J_gdzie.push_back(i);
J[i]++;
}
if(word[i] == 'O'){
O_gdzie.push_back(i);
O[i]++;
}
if(word[i] == 'I'){
I_gdzie.push_back(i);
I[i]++;
}
}
for(int i = 0; i < n; i++){
//cout << J[i] << " " << O[i] << " " << I[i] << endl;
}
int wynik = 200001;
for(int i = 0; i < J_gdzie.size(); i++){
int ind_j = J_gdzie[i];
if(J_gdzie.size() - J[ind_j] + 2 > k){
int ind_o = J_gdzie[J[ind_j] + k - 2];
if(O_gdzie.size() - O[ind_o] + 1 > k){
int ind_i = O_gdzie[O[ind_o] + k - 1];
if(I_gdzie.size() - I[ind_i] + 1 > k){
wynik = min(wynik, I_gdzie[I[ind_i] + k - 1] - ind_j + 1 - 3 * k);
}
}
}
}
if(wynik == 200001){
wynik = -1;
}
cout << wynik;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:50:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
50 | for(int i = 0; i < J_gdzie.size(); i++){
| ~~^~~~~~~~~~~~~~~~
ho_t2.cpp:52:42: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
52 | if(J_gdzie.size() - J[ind_j] + 2 > k){
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
ho_t2.cpp:54:46: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
54 | if(O_gdzie.size() - O[ind_o] + 1 > k){
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
ho_t2.cpp:56:50: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
56 | if(I_gdzie.size() - I[ind_i] + 1 > k){
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
2 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
504 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
464 KB |
Output is correct |
11 |
Correct |
1 ms |
508 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
2 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
504 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
464 KB |
Output is correct |
11 |
Correct |
1 ms |
508 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
504 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
2 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
504 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
336 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
2 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
504 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
464 KB |
Output is correct |
11 |
Correct |
1 ms |
508 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
504 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
2 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
504 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
336 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
36 |
Correct |
6 ms |
3788 KB |
Output is correct |
37 |
Correct |
6 ms |
4124 KB |
Output is correct |
38 |
Correct |
7 ms |
4260 KB |
Output is correct |
39 |
Correct |
6 ms |
4032 KB |
Output is correct |
40 |
Correct |
6 ms |
4276 KB |
Output is correct |
41 |
Correct |
7 ms |
4248 KB |
Output is correct |
42 |
Correct |
7 ms |
4372 KB |
Output is correct |
43 |
Correct |
4 ms |
2796 KB |
Output is correct |
44 |
Correct |
6 ms |
3284 KB |
Output is correct |
45 |
Correct |
6 ms |
4308 KB |
Output is correct |
46 |
Correct |
8 ms |
4556 KB |
Output is correct |
47 |
Correct |
6 ms |
4052 KB |
Output is correct |
48 |
Correct |
7 ms |
4308 KB |
Output is correct |
49 |
Correct |
4 ms |
2740 KB |
Output is correct |
50 |
Correct |
7 ms |
4296 KB |
Output is correct |
51 |
Correct |
6 ms |
4308 KB |
Output is correct |
52 |
Correct |
5 ms |
3924 KB |
Output is correct |
53 |
Correct |
8 ms |
4040 KB |
Output is correct |
54 |
Correct |
5 ms |
4056 KB |
Output is correct |
55 |
Correct |
5 ms |
4312 KB |
Output is correct |
56 |
Correct |
5 ms |
4228 KB |
Output is correct |