/* be name khoda */
#include <bits/stdc++.h>
using namespace std;
typedef int ll;
#define forifrom(i, s, n) for (ll i = s; i < n; ++i)
#define fori(i, n) forifrom(i, 0, n)
// ------------------------------------------------------------------
const ll maxn = 200010;
ll n, k, cnt[3][maxn];
string S, C;
int main() {
ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
cin >> n >> k >> S;
S += '#';
C = "JOI";
fori (i, 3) fori (j, n + 1) cnt[i][j + 1] = cnt[i][j] + (S[j] == C[i]);
ll ans = -1;
fori (i, n) {
ll i1 = lower_bound(cnt[0], cnt[0] + n + 1, k + cnt[0][i]) - cnt[0];
ll i2 = lower_bound(cnt[1], cnt[1] + n + 1, k + cnt[1][i1]) - cnt[1];
ll i3 = lower_bound(cnt[2], cnt[2] + n + 1, k + cnt[2][i2]) - cnt[2];
if (i3 <= n) ans = max(ans, i + n - i3);
}
cout << (ans == -1 ? -1 : n - ans - k * 3) << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
436 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
436 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
436 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
436 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
29 ms |
2956 KB |
Output is correct |
37 |
Correct |
29 ms |
3212 KB |
Output is correct |
38 |
Correct |
29 ms |
3212 KB |
Output is correct |
39 |
Correct |
27 ms |
3212 KB |
Output is correct |
40 |
Correct |
24 ms |
3212 KB |
Output is correct |
41 |
Correct |
26 ms |
3212 KB |
Output is correct |
42 |
Correct |
28 ms |
3212 KB |
Output is correct |
43 |
Correct |
14 ms |
2176 KB |
Output is correct |
44 |
Correct |
17 ms |
2572 KB |
Output is correct |
45 |
Correct |
22 ms |
3212 KB |
Output is correct |
46 |
Correct |
23 ms |
3212 KB |
Output is correct |
47 |
Correct |
22 ms |
3212 KB |
Output is correct |
48 |
Correct |
22 ms |
3212 KB |
Output is correct |
49 |
Correct |
14 ms |
2316 KB |
Output is correct |
50 |
Correct |
29 ms |
3212 KB |
Output is correct |
51 |
Correct |
23 ms |
3212 KB |
Output is correct |
52 |
Correct |
18 ms |
3084 KB |
Output is correct |
53 |
Correct |
33 ms |
3212 KB |
Output is correct |
54 |
Correct |
20 ms |
3212 KB |
Output is correct |
55 |
Correct |
18 ms |
3212 KB |
Output is correct |
56 |
Correct |
16 ms |
3212 KB |
Output is correct |