#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll N, K;
string S;
vector<ll> J, O, I;
int main(){
cin.tie(0) -> sync_with_stdio(false);
cin >> N >> K >> S;
S = " " + S;
for(ll i = 1; 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);
}
ll t = 1e18;
for(ll i = 1; i <= N; i++){
ll p = lower_bound(J.begin(), J.end(), i) - J.begin() + K - 1;
if(p >= J.size()) continue;
ll q = lower_bound(O.begin(), O.end(), J[p]) - O.begin() + K - 1;
if(q >= O.size()) continue;
ll r = lower_bound(I.begin(), I.end(), O[q]) - I.begin() + K - 1;
if(r >= I.size()) continue;
t = min(t, I[r] - i + 1 - 3 * K);
}
cout << (t == 1e18 ? -1 : t);
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:22:14: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | if(p >= J.size()) continue;
| ~~^~~~~~~~~~~
ho_t2.cpp:25:14: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | if(q >= O.size()) continue;
| ~~^~~~~~~~~~~
ho_t2.cpp:28:14: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | if(r >= I.size()) continue;
| ~~^~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
324 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
324 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
280 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
316 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
320 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
324 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
280 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
316 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
320 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
22 ms |
2584 KB |
Output is correct |
37 |
Correct |
24 ms |
3088 KB |
Output is correct |
38 |
Correct |
25 ms |
2928 KB |
Output is correct |
39 |
Correct |
25 ms |
2924 KB |
Output is correct |
40 |
Correct |
20 ms |
2844 KB |
Output is correct |
41 |
Correct |
21 ms |
3220 KB |
Output is correct |
42 |
Correct |
25 ms |
2844 KB |
Output is correct |
43 |
Correct |
11 ms |
1868 KB |
Output is correct |
44 |
Correct |
13 ms |
2380 KB |
Output is correct |
45 |
Correct |
17 ms |
3220 KB |
Output is correct |
46 |
Correct |
19 ms |
3212 KB |
Output is correct |
47 |
Correct |
17 ms |
3220 KB |
Output is correct |
48 |
Correct |
19 ms |
3220 KB |
Output is correct |
49 |
Correct |
12 ms |
2080 KB |
Output is correct |
50 |
Correct |
18 ms |
3232 KB |
Output is correct |
51 |
Correct |
18 ms |
2840 KB |
Output is correct |
52 |
Correct |
13 ms |
2716 KB |
Output is correct |
53 |
Correct |
11 ms |
2708 KB |
Output is correct |
54 |
Correct |
12 ms |
3224 KB |
Output is correct |
55 |
Correct |
10 ms |
3224 KB |
Output is correct |
56 |
Correct |
9 ms |
3216 KB |
Output is correct |