#include <iostream>
#include <string>
#include <cstring>
#include <vector>
using namespace std;
const int nmax=2e5;
int n, k;
string s;
vector <int> poz_j, poz_o, poz_i;
int main()
{
cin >> n >> k >> s;
for (int i=0;s[i];i++)
{
if (s[i]=='J')
{
poz_j.push_back (i);
}
else if (s[i]=='O')
{
poz_o.push_back (i);
}
else poz_i.push_back (i);
}
if (poz_j.size()<k || poz_i.size()<k || poz_o.size()<k)
{
cout << -1;
return 0;
}
bool found_sol=0;
int ret=nmax+5;
for (int i=k-1;i<poz_j.size();i++)
{
int rez_o=-1, st=0, dr=poz_o.size()-1;
while (st<=dr)
{
int mij = (st+dr) >> 1;
if (poz_o[mij]<=poz_j[i])
{
rez_o=mij;
st=mij+1;
}
else dr=mij-1;
}
rez_o+=k;
if (rez_o>poz_o.size()-1)
{
break;
}
int rez_i=-1;
st=0, dr=poz_i.size()-1;
while (st<=dr)
{
int mij = (st+dr) >> 1;
if (poz_i[mij]<=poz_o[rez_o])
{
rez_i=mij;
st=mij+1;
}
else dr=mij-1;
}
rez_i+=k;
if (rez_i>poz_i.size()-1)
{
break;
}
int rez_j=i-k+1;
found_sol=1;
ret=min (ret, poz_i[rez_i]-poz_j[rez_j]+1-3*k);
}
if (!found_sol)
{
cout << -1;
return 0;
}
cout << ret;
return 0;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:25:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
25 | if (poz_j.size()<k || poz_i.size()<k || poz_o.size()<k)
| ~~~~~~~~~~~~^~
ho_t2.cpp:25:39: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
25 | if (poz_j.size()<k || poz_i.size()<k || poz_o.size()<k)
| ~~~~~~~~~~~~^~
ho_t2.cpp:25:57: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
25 | if (poz_j.size()<k || poz_i.size()<k || poz_o.size()<k)
| ~~~~~~~~~~~~^~
ho_t2.cpp:32:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | for (int i=k-1;i<poz_j.size();i++)
| ~^~~~~~~~~~~~~
ho_t2.cpp:46:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | if (rez_o>poz_o.size()-1)
| ~~~~~^~~~~~~~~~~~~~~
ho_t2.cpp:63:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
63 | if (rez_i>poz_i.size()-1)
| ~~~~~^~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
604 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 14 |
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 |
604 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
420 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
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 |
604 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
420 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
0 ms |
348 KB |
Output is correct |
| 36 |
Correct |
9 ms |
1632 KB |
Output is correct |
| 37 |
Correct |
9 ms |
1828 KB |
Output is correct |
| 38 |
Correct |
9 ms |
2096 KB |
Output is correct |
| 39 |
Correct |
10 ms |
2048 KB |
Output is correct |
| 40 |
Correct |
6 ms |
2020 KB |
Output is correct |
| 41 |
Correct |
8 ms |
1956 KB |
Output is correct |
| 42 |
Correct |
10 ms |
2016 KB |
Output is correct |
| 43 |
Correct |
4 ms |
1376 KB |
Output is correct |
| 44 |
Correct |
4 ms |
1468 KB |
Output is correct |
| 45 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 46 |
Correct |
5 ms |
2008 KB |
Output is correct |
| 47 |
Correct |
5 ms |
2016 KB |
Output is correct |
| 48 |
Correct |
5 ms |
2016 KB |
Output is correct |
| 49 |
Correct |
3 ms |
1468 KB |
Output is correct |
| 50 |
Correct |
6 ms |
1892 KB |
Output is correct |
| 51 |
Correct |
5 ms |
1760 KB |
Output is correct |
| 52 |
Correct |
5 ms |
1688 KB |
Output is correct |
| 53 |
Correct |
5 ms |
1748 KB |
Output is correct |
| 54 |
Correct |
6 ms |
2024 KB |
Output is correct |
| 55 |
Correct |
5 ms |
2020 KB |
Output is correct |
| 56 |
Correct |
4 ms |
2024 KB |
Output is correct |
