#include <bits/stdc++.h>
using namespace std;
int vj[200001], vo[200001], vi[200001];
int lj, lo, li;
int main()
{
int n, k;
cin >> n >> k;
string s;
cin >> s;
for(int i = 0; i < n; i++)
{
if(s[i] == 'J')
vj[++lj] = i;
if(s[i] == 'O')
vo[++lo] = i;
if(s[i] == 'I')
vi[++li] = i;
}
int pj = 1;
int po = 1;
int pi = 1;
int ans = n+1;
while(pj + k - 1 <= lj && po + k - 1 <= lo && pi + k - 1 <= li)
{
while(po + k - 1 <= lo && vo[po] <= vj[pj + k - 1])
po++;
if(po + k - 1 <= lo)
while(pi + k - 1 <= li && vi[pi] <= vo[po + k - 1])
pi++;
if(pj + k - 1 <= lj && po + k - 1 <= lo && pi + k - 1 <= li)
{
int fi = vj[pj];
int lst = vi[pi + k - 1];
ans = min(ans, (lst - fi + 1) - 3 * k);
}
pj++;
}
if(ans == n+1)
cout << -1;
else
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
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 |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
312 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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
312 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 |
308 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
308 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
308 KB |
Output is correct |
24 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
308 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
312 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 |
308 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
308 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
308 KB |
Output is correct |
24 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
308 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
5 ms |
1508 KB |
Output is correct |
37 |
Correct |
6 ms |
1612 KB |
Output is correct |
38 |
Correct |
6 ms |
1508 KB |
Output is correct |
39 |
Correct |
6 ms |
1508 KB |
Output is correct |
40 |
Correct |
5 ms |
1508 KB |
Output is correct |
41 |
Correct |
5 ms |
1508 KB |
Output is correct |
42 |
Correct |
6 ms |
1616 KB |
Output is correct |
43 |
Correct |
3 ms |
1124 KB |
Output is correct |
44 |
Correct |
4 ms |
1360 KB |
Output is correct |
45 |
Correct |
5 ms |
1508 KB |
Output is correct |
46 |
Correct |
5 ms |
1508 KB |
Output is correct |
47 |
Correct |
7 ms |
1612 KB |
Output is correct |
48 |
Correct |
7 ms |
1600 KB |
Output is correct |
49 |
Correct |
5 ms |
1124 KB |
Output is correct |
50 |
Correct |
5 ms |
1516 KB |
Output is correct |
51 |
Correct |
5 ms |
1508 KB |
Output is correct |
52 |
Correct |
5 ms |
1488 KB |
Output is correct |
53 |
Correct |
5 ms |
1620 KB |
Output is correct |
54 |
Correct |
4 ms |
1608 KB |
Output is correct |
55 |
Correct |
4 ms |
1508 KB |
Output is correct |
56 |
Correct |
4 ms |
1616 KB |
Output is correct |