#include<iostream>
#include<vector>
#include<set>
#include<algorithm>
using namespace std;
#define ll long long
#define mp make_pair
#define endl "\n"
#define out(x) cout<< #x << " = " << x << endl
int n,k,J,O,I;
string s;
vector<int> v[3];
signed main(){
cin>>n>>k>>s;
v[0].push_back(0); v[1].push_back(0); v[2].push_back(0);
for (int i=0;i<n;i++){
if (s[i] == 'J') v[0].push_back(i+1), J++;
if (s[i] == 'O') v[1].push_back(i+1), O++;
if (s[i] == 'I') v[2].push_back(i+1), I++;
}
int ans = 1e9;
for (int i=k;i<=J;i++){
int opos = lower_bound(v[1].begin(),v[1].end(),v[0][i]) - v[1].begin();
if (opos + k - 1 > O) continue;
int oend = v[1][opos + k - 1];
int ipos = lower_bound(v[2].begin(),v[2].end(),oend) - v[2].begin();
if (ipos + k - 1 > I) continue;
int iend = v[2][ipos + k - 1];
ans = min(ans, iend - v[0][i-k+1] + 1 - k*3);
}
cout<<(ans == 1e9 ? -1 : ans)<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 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 |
0 ms |
296 KB |
Output is correct |
10 |
Correct |
1 ms |
304 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 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 |
0 ms |
296 KB |
Output is correct |
10 |
Correct |
1 ms |
304 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
296 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
296 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 |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
296 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
300 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 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 |
0 ms |
296 KB |
Output is correct |
10 |
Correct |
1 ms |
304 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
296 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
296 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 |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
296 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
300 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
12 ms |
1588 KB |
Output is correct |
37 |
Correct |
14 ms |
1824 KB |
Output is correct |
38 |
Correct |
13 ms |
1964 KB |
Output is correct |
39 |
Correct |
13 ms |
1628 KB |
Output is correct |
40 |
Correct |
13 ms |
1980 KB |
Output is correct |
41 |
Correct |
14 ms |
1820 KB |
Output is correct |
42 |
Correct |
13 ms |
2076 KB |
Output is correct |
43 |
Correct |
6 ms |
1244 KB |
Output is correct |
44 |
Correct |
8 ms |
1372 KB |
Output is correct |
45 |
Correct |
11 ms |
1888 KB |
Output is correct |
46 |
Correct |
10 ms |
1996 KB |
Output is correct |
47 |
Correct |
10 ms |
1880 KB |
Output is correct |
48 |
Correct |
10 ms |
1960 KB |
Output is correct |
49 |
Correct |
8 ms |
1336 KB |
Output is correct |
50 |
Correct |
10 ms |
1988 KB |
Output is correct |
51 |
Correct |
10 ms |
1748 KB |
Output is correct |
52 |
Correct |
7 ms |
1496 KB |
Output is correct |
53 |
Correct |
8 ms |
1668 KB |
Output is correct |
54 |
Correct |
8 ms |
1888 KB |
Output is correct |
55 |
Correct |
7 ms |
1888 KB |
Output is correct |
56 |
Correct |
6 ms |
1992 KB |
Output is correct |