#include <bits/stdc++.h>
using namespace std;
int N, K;
string s;
int main() {
cin >> N >> K >> s;
vector<int> J, O, I;
for (int i = 0; i < (int)s.size(); i++) {
if (s[i] == 'J') J.push_back(i+1);
else if (s[i] == 'O') O.push_back(i+1);
else I.push_back(i+1);
}
O.push_back(INT_MAX);
I.push_back(INT_MAX);
int ans = INT_MAX;
for (int i = 0; i+K-1 < (int)J.size(); i++) {
int cur = 0;
vector<int> arr;
for (int j = i; j < i+K; j++) {
if (!arr.empty()) cur += J[j]-arr.back()-1;
arr.push_back(J[j]);
}
int u = upper_bound(O.begin(), O.end(), arr.back())-O.begin();
if (u == INT_MAX) break;
bool flag = false;
for (int j = u; j < u+K; j++) {
if (O[j] == INT_MAX) {
flag = true;
break;
}
cur += O[j]-arr.back()-1;
arr.push_back(O[j]);
}
if (flag) break;
u = upper_bound(I.begin(), I.end(), arr.back())-I.begin();
if (u == INT_MAX) break;
for (int j = u; j < u+K; j++) {
if (I[j] == INT_MAX) {
flag = true;
break;
}
cur += I[j]-arr.back()-1;
arr.push_back(I[j]);
}
if (flag) break;
ans = min(ans, cur);
}
if (ans == INT_MAX) ans = -1;
cout << ans << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
296 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 |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
296 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 |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
296 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
296 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
300 KB |
Output is correct |
28 |
Correct |
0 ms |
296 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
292 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
2 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
296 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 |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
296 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
296 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
300 KB |
Output is correct |
28 |
Correct |
0 ms |
296 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
292 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
2 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
340 KB |
Output is correct |
36 |
Correct |
16 ms |
1476 KB |
Output is correct |
37 |
Correct |
15 ms |
1820 KB |
Output is correct |
38 |
Correct |
18 ms |
1964 KB |
Output is correct |
39 |
Correct |
1031 ms |
1860 KB |
Output is correct |
40 |
Correct |
1971 ms |
3084 KB |
Output is correct |
41 |
Correct |
1549 ms |
1940 KB |
Output is correct |
42 |
Correct |
328 ms |
1864 KB |
Output is correct |
43 |
Correct |
8 ms |
1460 KB |
Output is correct |
44 |
Correct |
5 ms |
1680 KB |
Output is correct |
45 |
Correct |
6 ms |
2256 KB |
Output is correct |
46 |
Correct |
6 ms |
2212 KB |
Output is correct |
47 |
Correct |
6 ms |
2220 KB |
Output is correct |
48 |
Correct |
7 ms |
2232 KB |
Output is correct |
49 |
Correct |
4 ms |
1464 KB |
Output is correct |
50 |
Correct |
11 ms |
2228 KB |
Output is correct |
51 |
Correct |
5 ms |
2260 KB |
Output is correct |
52 |
Correct |
5 ms |
1748 KB |
Output is correct |
53 |
Correct |
6 ms |
2244 KB |
Output is correct |
54 |
Correct |
9 ms |
1988 KB |
Output is correct |
55 |
Execution timed out |
2076 ms |
3572 KB |
Time limit exceeded |
56 |
Halted |
0 ms |
0 KB |
- |