| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1111345 |
2024-11-12T07:04:48 Z |
vjudge1 |
JJOOII 2 (JOI20_ho_t2) |
C++17 |
|
14 ms |
4604 KB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define pll pair<ll, ll>
ll n, k, pO[200001], pJ[200001], pI[200001], ans=1e18;
string str;
vector<ll> J, I;
int main(){
cin >> n >> k;
cin >> str;
for(int i=1; i<=n; i++){
if(str[i-1]=='J')
J.push_back(i);
if(str[i-1]=='I')
I.push_back(i);
if(str[i-1]=='O')pO[i]=pO[i-1]+1;
else pO[i]=pO[i-1];
}
if(J.size()<k || I.size()<k || pO[n]<k){
cout << -1 << endl;
return 0;
}
for(int i=J.size()-1; i>=k-1; i--){
int l=0, r=I.size()-1, mid, back=-1;
while(l<=r){
mid=(l+r)/2;
if(pO[I[mid]]-pO[J[i]]<k){
l=mid+1;
}else{
back=mid;
r=mid-1;
}
}
if(back==-1 || I.size() - back < k)continue;
ans=min(ans, I[back+k-1]-J[i-k+1]+1-3*k);
}
if(ans==1e18)ans=-1;
cout << ans << endl;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:23:16: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
23 | if(J.size()<k || I.size()<k || pO[n]<k){
| ~~~~~~~~^~
ho_t2.cpp:23:30: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
23 | if(J.size()<k || I.size()<k || pO[n]<k){
| ~~~~~~~~^~
ho_t2.cpp:38:40: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
38 | if(back==-1 || I.size() - back < k)continue;
| ~~~~~~~~~~~~~~~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
1 ms |
508 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
504 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
1 ms |
508 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
504 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
1 ms |
336 KB |
Output is correct |
| 27 |
Correct |
1 ms |
336 KB |
Output is correct |
| 28 |
Correct |
1 ms |
336 KB |
Output is correct |
| 29 |
Correct |
1 ms |
336 KB |
Output is correct |
| 30 |
Correct |
1 ms |
336 KB |
Output is correct |
| 31 |
Correct |
1 ms |
504 KB |
Output is correct |
| 32 |
Correct |
1 ms |
336 KB |
Output is correct |
| 33 |
Correct |
1 ms |
336 KB |
Output is correct |
| 34 |
Correct |
1 ms |
504 KB |
Output is correct |
| 35 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
1 ms |
508 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
504 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
1 ms |
336 KB |
Output is correct |
| 27 |
Correct |
1 ms |
336 KB |
Output is correct |
| 28 |
Correct |
1 ms |
336 KB |
Output is correct |
| 29 |
Correct |
1 ms |
336 KB |
Output is correct |
| 30 |
Correct |
1 ms |
336 KB |
Output is correct |
| 31 |
Correct |
1 ms |
504 KB |
Output is correct |
| 32 |
Correct |
1 ms |
336 KB |
Output is correct |
| 33 |
Correct |
1 ms |
336 KB |
Output is correct |
| 34 |
Correct |
1 ms |
504 KB |
Output is correct |
| 35 |
Correct |
1 ms |
336 KB |
Output is correct |
| 36 |
Correct |
9 ms |
3180 KB |
Output is correct |
| 37 |
Correct |
11 ms |
4012 KB |
Output is correct |
| 38 |
Correct |
11 ms |
3996 KB |
Output is correct |
| 39 |
Correct |
10 ms |
4032 KB |
Output is correct |
| 40 |
Correct |
14 ms |
3856 KB |
Output is correct |
| 41 |
Correct |
14 ms |
3936 KB |
Output is correct |
| 42 |
Correct |
11 ms |
4028 KB |
Output is correct |
| 43 |
Correct |
7 ms |
2396 KB |
Output is correct |
| 44 |
Correct |
8 ms |
2724 KB |
Output is correct |
| 45 |
Correct |
10 ms |
4060 KB |
Output is correct |
| 46 |
Correct |
9 ms |
4028 KB |
Output is correct |
| 47 |
Correct |
9 ms |
3940 KB |
Output is correct |
| 48 |
Correct |
9 ms |
3884 KB |
Output is correct |
| 49 |
Correct |
7 ms |
2644 KB |
Output is correct |
| 50 |
Correct |
10 ms |
3924 KB |
Output is correct |
| 51 |
Correct |
11 ms |
4028 KB |
Output is correct |
| 52 |
Correct |
7 ms |
3468 KB |
Output is correct |
| 53 |
Correct |
8 ms |
3924 KB |
Output is correct |
| 54 |
Correct |
8 ms |
4436 KB |
Output is correct |
| 55 |
Correct |
8 ms |
4604 KB |
Output is correct |
| 56 |
Correct |
7 ms |
4436 KB |
Output is correct |
