#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
int n, k;
string s;
vector<int> v[26];
int main() {
cin >> n >> k >> s; int ans = 1000000;
for(int i = 0; i < n; i++)
v[s[i]-'A'].pb(i);
for(int i = 0; i < 26; i++)
if(!v[i].empty()) sort(all(v[i]));
for(int i = 0; i < n; i++){
if(s[i]!='J') continue;
int J = 'J'-'A', O = 'O'-'A', I = 'I'-'A';
auto itr = lower_bound(all(v[J]),i)-begin(v[J]);
if(itr+k-1>=sz(v[J])) break;
int posJ = v[J][itr+k-1];
itr = lower_bound(all(v[O]),posJ)-begin(v[O]);
if(itr+k-1>=sz(v[O])) break;
int posO = v[O][itr+k-1];
itr = lower_bound(all(v[I]),posO)-begin(v[I]);
if(itr+k-1>=sz(v[I])) break;
int posI = v[I][itr+k-1];
ans = min(ans, posI-i+1-3*k);
}
cout << (ans==1000000?-1:ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
300 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
300 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
300 KB |
Output is correct |
17 |
Correct |
1 ms |
300 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 |
212 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 |
292 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
300 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 |
296 KB |
Output is correct |
35 |
Correct |
1 ms |
296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
300 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
300 KB |
Output is correct |
17 |
Correct |
1 ms |
300 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 |
212 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 |
292 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
300 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 |
296 KB |
Output is correct |
35 |
Correct |
1 ms |
296 KB |
Output is correct |
36 |
Correct |
19 ms |
1472 KB |
Output is correct |
37 |
Correct |
21 ms |
1812 KB |
Output is correct |
38 |
Correct |
21 ms |
1940 KB |
Output is correct |
39 |
Correct |
20 ms |
1988 KB |
Output is correct |
40 |
Correct |
12 ms |
1960 KB |
Output is correct |
41 |
Correct |
17 ms |
1940 KB |
Output is correct |
42 |
Correct |
20 ms |
1824 KB |
Output is correct |
43 |
Correct |
6 ms |
1348 KB |
Output is correct |
44 |
Correct |
8 ms |
1468 KB |
Output is correct |
45 |
Correct |
9 ms |
1992 KB |
Output is correct |
46 |
Correct |
10 ms |
1996 KB |
Output is correct |
47 |
Correct |
10 ms |
2000 KB |
Output is correct |
48 |
Correct |
9 ms |
1976 KB |
Output is correct |
49 |
Correct |
6 ms |
1312 KB |
Output is correct |
50 |
Correct |
10 ms |
1856 KB |
Output is correct |
51 |
Correct |
10 ms |
1736 KB |
Output is correct |
52 |
Correct |
12 ms |
1464 KB |
Output is correct |
53 |
Correct |
10 ms |
1740 KB |
Output is correct |
54 |
Correct |
14 ms |
1992 KB |
Output is correct |
55 |
Correct |
11 ms |
1988 KB |
Output is correct |
56 |
Correct |
9 ms |
1880 KB |
Output is correct |