# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
716200 |
2023-03-29T08:35:16 Z |
gghx |
JJOOII 2 (JOI20_ho_t2) |
C++14 |
|
14 ms |
5404 KB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
ll n,k;
cin>>n>>k;
char arr[n];
for(int i=0;i<n;i++) cin>>arr[i];
ll j[n], o[n], ik[n];
fill(j,j+n,0);
fill(o,o+n,0);
fill(ik,ik+n,0);
ll pointerj=-1;
ll countj=0;
while(countj<k && pointerj<n){
pointerj++;
if(pointerj==n){
cout<<-1;
return 0;
}
if(arr[pointerj]=='J') countj++;
}
j[0]=pointerj;
for(int i=1;i<n;i++){
if(arr[i-1]!='J') j[i]=j[i-1];
else{
while(pointerj<n){
pointerj++;
if(pointerj==n) j[i]=-1;
if(arr[pointerj]=='J') break;
}
if(pointerj!=n) j[i]=pointerj;
else j[i]=-1;
}
}
ll pointero=-1;
ll counto=0;
while(counto<k && pointero<n){
pointero++;
if(pointero==n){
cout<<-1;
return 0;
}
if(arr[pointero]=='O') counto++;
}
o[0]=pointero;
for(int i=1;i<n;i++){
if(arr[i-1]!='O') o[i]=o[i-1];
else{
while(pointero<n){
pointero++;
if(pointero==n) o[i]=-1;
if(arr[pointero]=='O') break;
}
if(pointero!=n) o[i]=pointero;
else o[i]=-1;
}
}
ll pointeri=-1;
ll counti=0;
while(counti<k && pointeri<n){
pointeri++;
if(pointeri==n){
cout<<-1;
return 0;
}
if(arr[pointeri]=='I') counti++;
}
ik[0]=pointeri;
for(int i=1;i<n;i++){
if(arr[i-1]!='I') ik[i]=ik[i-1];
else{
while(pointeri<n){
pointeri++;
if(pointeri==n) ik[i]=-1;
if(arr[pointeri]=='I') break;
}
if(pointeri!=n) ik[i]=pointeri;
else ik[i]=-1;
}
}
ll ans=1e18;
if(j[0]==-1){
cout<<-1;
return 0;
}
if(o[j[0]]==-1){
cout<<-1;
return 0;
}
if(ik[o[j[0]]]==-1){
cout<<-1;
return 0;
}
for(int i=0;i<n;i++){
if(arr[i]!='J') continue;
ll t=j[i];
if(t==-1) continue;
ll r=o[t];
if(r==-1) continue;
ll x=ik[r];
if(x==-1) continue;
ans=min(ans,x-i+1-3*k);
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
324 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 |
0 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
324 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 |
0 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 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 |
340 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 |
320 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 |
324 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
324 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 |
0 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 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 |
340 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 |
320 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 |
324 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
8 ms |
4940 KB |
Output is correct |
37 |
Correct |
9 ms |
5332 KB |
Output is correct |
38 |
Correct |
9 ms |
5332 KB |
Output is correct |
39 |
Correct |
14 ms |
5312 KB |
Output is correct |
40 |
Correct |
10 ms |
5332 KB |
Output is correct |
41 |
Correct |
11 ms |
5332 KB |
Output is correct |
42 |
Correct |
11 ms |
5312 KB |
Output is correct |
43 |
Correct |
7 ms |
3412 KB |
Output is correct |
44 |
Correct |
8 ms |
4180 KB |
Output is correct |
45 |
Correct |
10 ms |
5404 KB |
Output is correct |
46 |
Correct |
11 ms |
5332 KB |
Output is correct |
47 |
Correct |
10 ms |
5364 KB |
Output is correct |
48 |
Correct |
10 ms |
5332 KB |
Output is correct |
49 |
Correct |
7 ms |
3652 KB |
Output is correct |
50 |
Correct |
9 ms |
5332 KB |
Output is correct |
51 |
Correct |
9 ms |
5332 KB |
Output is correct |
52 |
Correct |
9 ms |
5204 KB |
Output is correct |
53 |
Correct |
8 ms |
5332 KB |
Output is correct |
54 |
Correct |
7 ms |
5320 KB |
Output is correct |
55 |
Correct |
7 ms |
5324 KB |
Output is correct |
56 |
Correct |
7 ms |
5400 KB |
Output is correct |