#include<bits/stdc++.h>
#define int long long
#define MOD 1000000007
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
using namespace std;
int32_t main(){
int n,k;
cin>>n>>k;
string s;
cin>>s;
queue<int>q,q2,q3;
vector<pair<int,int>>v,v2,v3;
for(int i=0;i<s.size();i++){
if(s[i]=='J'){
q.push(i);
if(q.size()==k){
v.pb({q.front(),i});
q.pop();
}
}
else if(s[i]=='O'){
q2.push(i);
if(q2.size()==k){
v2.pb({q2.front(),i});
q2.pop();
}
}
else{
q3.push(i);
if(q3.size()==k){
v3.pb({q3.front(),i});
q3.pop();
}
}
}
int ans=INT_MAX;
for(auto i:v){
int l=0,r=v2.size()-1;
while(l<=r){
int mid=(l+r)/2;
if(v2[mid].ff>i.ss)r=mid-1;
else l=mid+1;
}
int x=l;
if(x==v2.size())break;
l=0,r=v3.size()-1;
while(l<=r){
int mid=(l+r)/2;
if(v3[mid].ff>v2[x].ss)r=mid-1;
else l=mid+1;
}
if(l==v3.size())break;
ans=min(ans,n-3*k-i.ff-n+v3[l].ss+1);
}
if(ans==INT_MAX)cout<<"-1"<<endl;
else cout<<ans<<endl;
}
Compilation message
ho_t2.cpp: In function 'int32_t main()':
ho_t2.cpp:18:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | for(int i=0;i<s.size();i++){
| ~^~~~~~~~~
ho_t2.cpp:21:24: warning: comparison of integer expressions of different signedness: 'std::queue<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
21 | if(q.size()==k){
| ~~~~~~~~^~~
ho_t2.cpp:28:25: warning: comparison of integer expressions of different signedness: 'std::queue<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
28 | if(q2.size()==k){
| ~~~~~~~~~^~~
ho_t2.cpp:35:25: warning: comparison of integer expressions of different signedness: 'std::queue<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
35 | if(q3.size()==k){
| ~~~~~~~~~^~~
ho_t2.cpp:50:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
50 | if(x==v2.size())break;
| ~^~~~~~~~~~~
ho_t2.cpp:57:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
57 | if(l==v3.size())break;
| ~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
296 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
296 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
296 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
300 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
296 KB |
Output is correct |
19 |
Correct |
1 ms |
340 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 |
296 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 |
340 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 |
340 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 |
1 ms |
300 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
296 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
296 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
300 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
296 KB |
Output is correct |
19 |
Correct |
1 ms |
340 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 |
296 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 |
340 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 |
340 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 |
1 ms |
300 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
0 ms |
340 KB |
Output is correct |
36 |
Correct |
15 ms |
3732 KB |
Output is correct |
37 |
Correct |
17 ms |
4932 KB |
Output is correct |
38 |
Correct |
17 ms |
5032 KB |
Output is correct |
39 |
Correct |
14 ms |
3908 KB |
Output is correct |
40 |
Correct |
10 ms |
3656 KB |
Output is correct |
41 |
Correct |
13 ms |
3904 KB |
Output is correct |
42 |
Correct |
16 ms |
4952 KB |
Output is correct |
43 |
Correct |
6 ms |
2384 KB |
Output is correct |
44 |
Correct |
8 ms |
3248 KB |
Output is correct |
45 |
Correct |
9 ms |
3676 KB |
Output is correct |
46 |
Correct |
10 ms |
3560 KB |
Output is correct |
47 |
Correct |
9 ms |
3668 KB |
Output is correct |
48 |
Correct |
9 ms |
3648 KB |
Output is correct |
49 |
Correct |
6 ms |
2512 KB |
Output is correct |
50 |
Correct |
12 ms |
3644 KB |
Output is correct |
51 |
Correct |
9 ms |
3476 KB |
Output is correct |
52 |
Correct |
7 ms |
2660 KB |
Output is correct |
53 |
Correct |
8 ms |
2768 KB |
Output is correct |
54 |
Correct |
12 ms |
5820 KB |
Output is correct |
55 |
Correct |
8 ms |
3284 KB |
Output is correct |
56 |
Correct |
7 ms |
2376 KB |
Output is correct |