| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 861189 |
2023-10-15T15:26:44 Z |
dsyz |
JJOOII 2 (JOI20_ho_t2) |
C++17 |
|
9 ms |
5860 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
int main(){
ios_base::sync_with_stdio(false);cin.tie(0);
ll N,K;
cin>>N>>K;
string s;
cin>>s;
ll Opsum[N];
ll cur = 0;
for(ll i = 0;i < N;i++){
if(s[i] == 'O'){
cur++;
}
Opsum[i] = cur;
}
ll Jpre[N];
cur = 0;
ll ptr = 0;
for(ll r = 0;r < N;r++){
if(s[r] == 'J'){
cur++;
}
while(ptr < r && (cur > K || s[ptr] != 'J')){
if(s[ptr] == 'J') cur--;
ptr++;
}
if(cur >= K) Jpre[r] = ptr;
else Jpre[r] = -1;
}
ll Isuf[N];
cur = 0;
ptr = N - 1;
for(ll l = N - 1;l >= 0;l--){
if(s[l] == 'I'){
cur++;
}
while(ptr > l && (cur > K || s[ptr] != 'I')){
if(s[ptr] == 'I') cur--;
ptr--;
}
if(cur >= K) Isuf[l] = ptr;
else Isuf[l] = -1;
}
ll L = 1;
ll R = 1;
bool ok = 0;
ll ans = 1e18;
while(R < N - 1){
while(L < R && Opsum[R] - Opsum[L] >= K){
L++;
}
if(Jpre[L - 1] != -1 && Isuf[R + 1] != -1 && Opsum[R] - Opsum[L - 1] >= K){
ok = 1;
ans = min(ans,(Isuf[R + 1] - Jpre[L - 1] + 1) - 3 * K);
}
R++;
}
if(!ok){
cout<<-1<<'\n';
}else{
cout<<ans<<'\n';
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
452 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 |
0 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 |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
452 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 |
0 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 |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 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 |
1 ms |
348 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 |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
456 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
452 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 |
0 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 |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 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 |
1 ms |
348 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 |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
456 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
6 ms |
5096 KB |
Output is correct |
| 37 |
Correct |
6 ms |
5600 KB |
Output is correct |
| 38 |
Correct |
6 ms |
5608 KB |
Output is correct |
| 39 |
Correct |
7 ms |
5608 KB |
Output is correct |
| 40 |
Correct |
7 ms |
5608 KB |
Output is correct |
| 41 |
Correct |
7 ms |
5608 KB |
Output is correct |
| 42 |
Correct |
9 ms |
5848 KB |
Output is correct |
| 43 |
Correct |
5 ms |
3672 KB |
Output is correct |
| 44 |
Correct |
5 ms |
4292 KB |
Output is correct |
| 45 |
Correct |
7 ms |
5672 KB |
Output is correct |
| 46 |
Correct |
6 ms |
5608 KB |
Output is correct |
| 47 |
Correct |
6 ms |
5604 KB |
Output is correct |
| 48 |
Correct |
6 ms |
5608 KB |
Output is correct |
| 49 |
Correct |
4 ms |
3816 KB |
Output is correct |
| 50 |
Correct |
7 ms |
5596 KB |
Output is correct |
| 51 |
Correct |
6 ms |
5608 KB |
Output is correct |
| 52 |
Correct |
4 ms |
5340 KB |
Output is correct |
| 53 |
Correct |
4 ms |
5860 KB |
Output is correct |
| 54 |
Correct |
4 ms |
5608 KB |
Output is correct |
| 55 |
Correct |
5 ms |
5604 KB |
Output is correct |
| 56 |
Correct |
4 ms |
5472 KB |
Output is correct |
