| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 222495 |
2020-04-13T08:22:29 Z |
astoria |
JJOOII 2 (JOI20_ho_t2) |
C++14 |
|
2000 ms |
4044 KB |
#include <bits/stdc++.h>
using namespace std;
int main(){
int n,k;
cin>>n>>k;
string s;
cin>>s;
s = 'K'+s;
vector<int> jpos,ipos;
int oct[n]; oct[0] = 0;
int mpj[n], mpi[n];
memset(mpj,-1,sizeof(mpj)); memset(mpi,-1,sizeof(mpi));
for(int i=1; i<=n; i++){
if(s[i]=='J'){ jpos.push_back(i); mpj[i] = jpos.size()-1;}
if(s[i]=='I'){ ipos.push_back(i); mpi[i] = ipos.size()-1;}
if(s[i]=='O') oct[i]=oct[i-1]+1;
else oct[i]=oct[i-1];
}
int min_span = 1e9;
int jsz=jpos.size(),isz=ipos.size();
int j_r = jpos[jsz-1], j_l = jpos[jsz-k];
int i_l=-1,i_r=-1;
for(int i=j_r+1; i<=n; i++){
if(oct[i-1]-oct[j_r]>=k && s[i]=='I'){
i_l = i; break;
}
}
if(i_l != -1){
if(mpi[i_l] + k <= isz) i_r = ipos[mpi[i_l]+k-1];
}
if(i_r!=-1) min_span = min(min_span, i_r-j_l+1);
//cout<<min_span<<endl;
for(int i=jsz-k-1; i>=0; i--){
j_l = jpos[i]; j_r = jpos[i+k-1];
//cout<<j_l<<' '<<j_r<<endl;
if(i_l==-1){
if(oct[ipos[isz-1]-1] - oct[j_r] >= k) i_l=ipos[isz-1];
else continue;
}
int ival=0;
for(int v=i_l; v>0; v--){
if(oct[v-1] - oct[j_r] < k){ ival=v; break;}
}
//binse(ival+1);
int lll=0, rrr=isz-1;
while(lll<rrr){
int mmm = (lll+rrr)/2;
if(ipos[mmm] > ival) rrr=mmm;
else lll=mmm+1;
}
i_l = ipos[lll];
if(i_l != -1){
if(mpi[i_l] + k <= isz) i_r = ipos[mpi[i_l]+k-1];
}
//cout<<i_l<<' '<<i_r<<endl;
//cout<<mpi[i_l]<<endl;
if(i_r!=-1) min_span = min(min_span, i_r-j_l+1);
//cout<<min_span<<endl;
}
//cout<<min_span<<endl;
if(min_span==1e9) cout<<-1;
else cout<<(min_span-(3*k));
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
256 KB |
Output is correct |
| 5 |
Correct |
4 ms |
256 KB |
Output is correct |
| 6 |
Correct |
5 ms |
256 KB |
Output is correct |
| 7 |
Correct |
4 ms |
256 KB |
Output is correct |
| 8 |
Correct |
5 ms |
256 KB |
Output is correct |
| 9 |
Correct |
5 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
256 KB |
Output is correct |
| 11 |
Correct |
4 ms |
256 KB |
Output is correct |
| 12 |
Correct |
4 ms |
256 KB |
Output is correct |
| 13 |
Correct |
5 ms |
256 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
256 KB |
Output is correct |
| 5 |
Correct |
4 ms |
256 KB |
Output is correct |
| 6 |
Correct |
5 ms |
256 KB |
Output is correct |
| 7 |
Correct |
4 ms |
256 KB |
Output is correct |
| 8 |
Correct |
5 ms |
256 KB |
Output is correct |
| 9 |
Correct |
5 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
256 KB |
Output is correct |
| 11 |
Correct |
4 ms |
256 KB |
Output is correct |
| 12 |
Correct |
4 ms |
256 KB |
Output is correct |
| 13 |
Correct |
5 ms |
256 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
6 ms |
512 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
5 ms |
384 KB |
Output is correct |
| 28 |
Correct |
5 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
5 ms |
384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
384 KB |
Output is correct |
| 33 |
Correct |
5 ms |
384 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
4 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
256 KB |
Output is correct |
| 5 |
Correct |
4 ms |
256 KB |
Output is correct |
| 6 |
Correct |
5 ms |
256 KB |
Output is correct |
| 7 |
Correct |
4 ms |
256 KB |
Output is correct |
| 8 |
Correct |
5 ms |
256 KB |
Output is correct |
| 9 |
Correct |
5 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
256 KB |
Output is correct |
| 11 |
Correct |
4 ms |
256 KB |
Output is correct |
| 12 |
Correct |
4 ms |
256 KB |
Output is correct |
| 13 |
Correct |
5 ms |
256 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
6 ms |
512 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
5 ms |
384 KB |
Output is correct |
| 28 |
Correct |
5 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
5 ms |
384 KB |
Output is correct |
| 32 |
Correct |
5 ms |
384 KB |
Output is correct |
| 33 |
Correct |
5 ms |
384 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| 36 |
Correct |
22 ms |
3544 KB |
Output is correct |
| 37 |
Correct |
23 ms |
3800 KB |
Output is correct |
| 38 |
Correct |
25 ms |
3788 KB |
Output is correct |
| 39 |
Correct |
23 ms |
3788 KB |
Output is correct |
| 40 |
Correct |
21 ms |
3916 KB |
Output is correct |
| 41 |
Correct |
22 ms |
3788 KB |
Output is correct |
| 42 |
Correct |
25 ms |
3916 KB |
Output is correct |
| 43 |
Correct |
14 ms |
2580 KB |
Output is correct |
| 44 |
Correct |
16 ms |
2808 KB |
Output is correct |
| 45 |
Correct |
20 ms |
3788 KB |
Output is correct |
| 46 |
Correct |
21 ms |
3808 KB |
Output is correct |
| 47 |
Correct |
20 ms |
4044 KB |
Output is correct |
| 48 |
Correct |
20 ms |
3788 KB |
Output is correct |
| 49 |
Correct |
15 ms |
2700 KB |
Output is correct |
| 50 |
Correct |
21 ms |
3788 KB |
Output is correct |
| 51 |
Correct |
20 ms |
3808 KB |
Output is correct |
| 52 |
Correct |
18 ms |
3412 KB |
Output is correct |
| 53 |
Correct |
19 ms |
3788 KB |
Output is correct |
| 54 |
Execution timed out |
2087 ms |
3912 KB |
Time limit exceeded |
| 55 |
Halted |
0 ms |
0 KB |
- |
