#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define int long long
const int maxn = 5e5+10;
const int inf = 2e9+10;
string s;
int n, k;
vector<int> ve[26];
int lst[maxn];
int lj[maxn], lo[maxn], li[maxn];
signed main()
{
cin>> n >> k >> s;
s = "*" + s;
// cout<< s <<" ";
// cout<< s[n] <<" ";
ll ans = inf;
for(int i = 1; i <= n; i++)
{
int x = s[i]-'A';
// cout<< x <<" ";
ve[x].push_back(i);
// cout<< x <<" ";
if(ve[x].size() >= k)
{
// cout<< ve[x].size() - k <<" ";
lst[i] = ve[x][ve[x].size()-k];
}
if(s[i] == 'J') lj[i] = i;
else lj[i] = lj[i-1];
if(s[i] == 'O') lo[i] = i;
else lo[i] = lo[i-1];
if(s[i] == 'I') li[i] = i;
else li[i] = li[i-1];
if(s[i] == 'I')
{
int x = lst[i];
//cout<< x <<" ";
x = lo[x];
//cout<< x <<" ";
x = lst[x];
//cout<< x <<" ";
x = lj[x];
// cout<< x <<" ";
x = lst[x];
// cout<< x <<" ";
// cout<<
if(x > 0)
ans = min(ans, i-x+1);
}
}
if(ans == inf)
return cout<< -1, 0;
cout<< ans - 3 * k;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:33:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(ve[x].size() >= k)
~~~~~~~~~~~~~^~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
4 ms |
384 KB |
Output is correct |
| 6 |
Correct |
4 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
4 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
4 ms |
384 KB |
Output is correct |
| 6 |
Correct |
4 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
4 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
512 KB |
Output is correct |
| 16 |
Correct |
5 ms |
512 KB |
Output is correct |
| 17 |
Correct |
5 ms |
512 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
512 KB |
Output is correct |
| 20 |
Correct |
5 ms |
512 KB |
Output is correct |
| 21 |
Correct |
5 ms |
512 KB |
Output is correct |
| 22 |
Correct |
5 ms |
512 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
512 KB |
Output is correct |
| 25 |
Correct |
6 ms |
512 KB |
Output is correct |
| 26 |
Correct |
5 ms |
512 KB |
Output is correct |
| 27 |
Correct |
5 ms |
512 KB |
Output is correct |
| 28 |
Correct |
5 ms |
512 KB |
Output is correct |
| 29 |
Correct |
5 ms |
512 KB |
Output is correct |
| 30 |
Correct |
5 ms |
512 KB |
Output is correct |
| 31 |
Correct |
7 ms |
384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
512 KB |
Output is correct |
| 33 |
Correct |
5 ms |
512 KB |
Output is correct |
| 34 |
Correct |
5 ms |
512 KB |
Output is correct |
| 35 |
Correct |
5 ms |
512 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
4 ms |
384 KB |
Output is correct |
| 6 |
Correct |
4 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
4 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
512 KB |
Output is correct |
| 16 |
Correct |
5 ms |
512 KB |
Output is correct |
| 17 |
Correct |
5 ms |
512 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
512 KB |
Output is correct |
| 20 |
Correct |
5 ms |
512 KB |
Output is correct |
| 21 |
Correct |
5 ms |
512 KB |
Output is correct |
| 22 |
Correct |
5 ms |
512 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
512 KB |
Output is correct |
| 25 |
Correct |
6 ms |
512 KB |
Output is correct |
| 26 |
Correct |
5 ms |
512 KB |
Output is correct |
| 27 |
Correct |
5 ms |
512 KB |
Output is correct |
| 28 |
Correct |
5 ms |
512 KB |
Output is correct |
| 29 |
Correct |
5 ms |
512 KB |
Output is correct |
| 30 |
Correct |
5 ms |
512 KB |
Output is correct |
| 31 |
Correct |
7 ms |
384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
512 KB |
Output is correct |
| 33 |
Correct |
5 ms |
512 KB |
Output is correct |
| 34 |
Correct |
5 ms |
512 KB |
Output is correct |
| 35 |
Correct |
5 ms |
512 KB |
Output is correct |
| 36 |
Correct |
21 ms |
8144 KB |
Output is correct |
| 37 |
Correct |
22 ms |
9156 KB |
Output is correct |
| 38 |
Correct |
23 ms |
9148 KB |
Output is correct |
| 39 |
Correct |
23 ms |
9408 KB |
Output is correct |
| 40 |
Correct |
22 ms |
9020 KB |
Output is correct |
| 41 |
Correct |
23 ms |
9284 KB |
Output is correct |
| 42 |
Correct |
23 ms |
9152 KB |
Output is correct |
| 43 |
Correct |
16 ms |
5388 KB |
Output is correct |
| 44 |
Correct |
18 ms |
6896 KB |
Output is correct |
| 45 |
Correct |
22 ms |
9024 KB |
Output is correct |
| 46 |
Correct |
23 ms |
9020 KB |
Output is correct |
| 47 |
Correct |
23 ms |
9020 KB |
Output is correct |
| 48 |
Correct |
22 ms |
9020 KB |
Output is correct |
| 49 |
Correct |
16 ms |
6020 KB |
Output is correct |
| 50 |
Correct |
23 ms |
9020 KB |
Output is correct |
| 51 |
Correct |
22 ms |
9004 KB |
Output is correct |
| 52 |
Correct |
21 ms |
7116 KB |
Output is correct |
| 53 |
Correct |
21 ms |
7868 KB |
Output is correct |
| 54 |
Correct |
21 ms |
9540 KB |
Output is correct |
| 55 |
Correct |
21 ms |
8516 KB |
Output is correct |
| 56 |
Correct |
20 ms |
8004 KB |
Output is correct |
