#include <bits/stdc++.h>
using namespace std;
int main() {
int n, k;
cin >> n >> k;
string s;
cin >> s;
int positions[n][3];
string opt = "JOI";
for (int i = 0; i < 3; i++) {
int leftPointer = 0, rightPointer = 0, count = 0;
if (s[0] == opt[i]){
count++;
}
while (leftPointer < n) {
while (count < k && rightPointer < n) {
rightPointer++;
if (rightPointer == n){
break;;
}
if (s[rightPointer] == opt[i]){
count++;
}
}
if (count < k) {
positions[leftPointer][i] = INT_MAX;
leftPointer++;
continue;
}
positions[leftPointer][i] = rightPointer;
if (s[leftPointer] == opt[i]){
count--;
}
leftPointer++;
}
}
int ans = INT_MAX;
for (int i = 0; i < n; i++) {
int leftPointer = i, rightPointer = positions[i][0];
for (int j = 1; j < 3; j++) {
if (rightPointer == INT_MAX){
continue;
}
rightPointer = positions[rightPointer][j];
}
ans = min(ans, rightPointer - leftPointer + 1 - 3 * k);
}
if (ans > n)
cout << -1;
else
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
436 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
436 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
424 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
436 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
424 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
36 |
Correct |
7 ms |
3052 KB |
Output is correct |
37 |
Correct |
8 ms |
3304 KB |
Output is correct |
38 |
Correct |
8 ms |
3364 KB |
Output is correct |
39 |
Correct |
10 ms |
3052 KB |
Output is correct |
40 |
Correct |
8 ms |
3308 KB |
Output is correct |
41 |
Correct |
9 ms |
3112 KB |
Output is correct |
42 |
Correct |
10 ms |
3152 KB |
Output is correct |
43 |
Correct |
6 ms |
2184 KB |
Output is correct |
44 |
Correct |
6 ms |
2540 KB |
Output is correct |
45 |
Correct |
8 ms |
3308 KB |
Output is correct |
46 |
Correct |
8 ms |
3308 KB |
Output is correct |
47 |
Correct |
8 ms |
3104 KB |
Output is correct |
48 |
Correct |
8 ms |
3112 KB |
Output is correct |
49 |
Correct |
6 ms |
2284 KB |
Output is correct |
50 |
Correct |
8 ms |
3308 KB |
Output is correct |
51 |
Correct |
8 ms |
3112 KB |
Output is correct |
52 |
Correct |
6 ms |
3052 KB |
Output is correct |
53 |
Correct |
7 ms |
3112 KB |
Output is correct |
54 |
Correct |
6 ms |
3308 KB |
Output is correct |
55 |
Correct |
5 ms |
3232 KB |
Output is correct |
56 |
Correct |
6 ms |
3112 KB |
Output is correct |