#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007ll
#define EPS 1e-9
typedef long long ll;
typedef long double ld;
typedef pair <ll,ll> pl;
typedef tuple <ll,ll,ll> tl;
ll N, K, B;
vector <ll> VJ, VO, VI;
vector <ll>::iterator VJS, VJE, VOS, VOE, VIS, VIE;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> N >> K;
for (ll i = 1; i <= N; i++) {
char ch;
cin >> ch;
if (ch == 'J') VJ.push_back(i);
else if (ch == 'O') VO.push_back(i);
else VI.push_back(i);
}
B = 1000000;
for (ll i = 0; i < (ll)VJ.size(); i++) {
VJS = VJ.begin() + i;
if (VJ.end() - VJS <= K - 1) continue;
VJE = VJS + K - 1;
VOS = upper_bound(VO.begin(), VO.end(), *VJE);
if (VO.end() - VOS <= K - 1) continue;
VOE = VOS + K - 1;
VIS = upper_bound(VI.begin(), VI.end(), *VOE);
if (VI.end() - VIS <= K - 1) continue;
VIE = VIS + K - 1;
ll C = N - (*VJS - 1) - (N - *VIE) - (3 * K);
B = min(B, C);
}
if (B == 1000000) cout << -1;
else cout << B;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
4 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
280 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
4 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
4 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
280 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
4 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
316 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
34 |
Correct |
5 ms |
252 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
4 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
280 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
4 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
316 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
34 |
Correct |
5 ms |
252 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
17 ms |
2148 KB |
Output is correct |
37 |
Correct |
19 ms |
2652 KB |
Output is correct |
38 |
Correct |
19 ms |
2628 KB |
Output is correct |
39 |
Correct |
19 ms |
2664 KB |
Output is correct |
40 |
Correct |
16 ms |
2660 KB |
Output is correct |
41 |
Correct |
17 ms |
2656 KB |
Output is correct |
42 |
Correct |
18 ms |
2660 KB |
Output is correct |
43 |
Correct |
12 ms |
1772 KB |
Output is correct |
44 |
Correct |
12 ms |
1732 KB |
Output is correct |
45 |
Correct |
15 ms |
2660 KB |
Output is correct |
46 |
Correct |
16 ms |
2596 KB |
Output is correct |
47 |
Correct |
15 ms |
2664 KB |
Output is correct |
48 |
Correct |
16 ms |
2660 KB |
Output is correct |
49 |
Correct |
12 ms |
1520 KB |
Output is correct |
50 |
Correct |
16 ms |
2652 KB |
Output is correct |
51 |
Correct |
15 ms |
2660 KB |
Output is correct |
52 |
Correct |
11 ms |
2020 KB |
Output is correct |
53 |
Correct |
13 ms |
2532 KB |
Output is correct |
54 |
Correct |
15 ms |
2924 KB |
Output is correct |
55 |
Correct |
11 ms |
2924 KB |
Output is correct |
56 |
Correct |
10 ms |
2924 KB |
Output is correct |