#include <iostream>
#include <vector>
int n, k;
std::vector <int> J, O, I;
int main()
{
std::ios_base::sync_with_stdio(false);
std::cin.tie(0);
std::cout.tie(0);
std::cin >> n >> k;
for(int i = 1; i <= n; i++)
{
char x;
std::cin >> x;
if(x == 'J')
{
J.push_back(i);
}
else if(x == 'O')
{
O.push_back(i);
}
else
{
I.push_back(i);
}
}
int ans = 1e9;
for(int i = 0; i + k <= J.size(); i++)
{
int l = J[i];
int r = J[i + k - 1];
r = std::lower_bound(O.begin(), O.end(), r) - O.begin();
r = r + k - 1;
if(r >= O.size())
{
continue;
}
r = O[r];
r = std::lower_bound(I.begin(), I.end(), r) - I.begin();
r = r + k - 1;
if(r >= I.size())
{
continue;
}
r = I[r];
ans = std::min(ans, r - l + 1);
}
if(ans > n)
{
std::cout << -1;
return 0;
}
std::cout << ans - 3 * k;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | for(int i = 0; i + k <= J.size(); i++)
| ~~~~~~^~~~~~~~~~~
ho_t2.cpp:37:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
37 | if(r >= O.size())
| ~~^~~~~~~~~~~
ho_t2.cpp:44:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | if(r >= I.size())
| ~~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
292 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
292 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
364 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
364 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
364 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
292 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
364 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
364 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
364 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| 36 |
Correct |
12 ms |
1384 KB |
Output is correct |
| 37 |
Correct |
15 ms |
1704 KB |
Output is correct |
| 38 |
Correct |
14 ms |
1756 KB |
Output is correct |
| 39 |
Correct |
13 ms |
1780 KB |
Output is correct |
| 40 |
Correct |
11 ms |
1764 KB |
Output is correct |
| 41 |
Correct |
12 ms |
1764 KB |
Output is correct |
| 42 |
Correct |
13 ms |
1768 KB |
Output is correct |
| 43 |
Correct |
6 ms |
1260 KB |
Output is correct |
| 44 |
Correct |
8 ms |
1260 KB |
Output is correct |
| 45 |
Correct |
10 ms |
1892 KB |
Output is correct |
| 46 |
Correct |
10 ms |
1764 KB |
Output is correct |
| 47 |
Correct |
11 ms |
1764 KB |
Output is correct |
| 48 |
Correct |
10 ms |
1892 KB |
Output is correct |
| 49 |
Correct |
7 ms |
1256 KB |
Output is correct |
| 50 |
Correct |
10 ms |
1764 KB |
Output is correct |
| 51 |
Correct |
10 ms |
1764 KB |
Output is correct |
| 52 |
Correct |
7 ms |
1384 KB |
Output is correct |
| 53 |
Correct |
7 ms |
1756 KB |
Output is correct |
| 54 |
Correct |
8 ms |
1776 KB |
Output is correct |
| 55 |
Correct |
6 ms |
1776 KB |
Output is correct |
| 56 |
Correct |
5 ms |
1776 KB |
Output is correct |
