QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#848346 | #9915. General Symmetry | wdnmdwrnmmp | RE | 1ms | 5976kb | C++14 | 1.7kb | 2025-01-08 19:46:46 | 2025-01-08 19:46:47 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
// #define int long long
#define rep(i,j,k) for(int i=(j);i<=(k);i++)
#define per(i,j,k) for(int i=(j);i>=(k);i--)
#define pb emplace_back
#define fi first
#define se second
using vi=vector<int>;
using pi=pair<int,int>;
template<typename T> bool chmin(T &x,const T &y){
if(y<x){
x=y;
return true;
}
return false;
}
template<typename T> bool chmax(T &x,const T &y){
if(y>x){
x=y;
return true;
}
return false;
}
const int N=2e5+5, A=1005, B=256, NB=800;
using bs=bitset<N>;
int n, k, a[N];
bs cur, f[NB], g[A];
signed main(){
ios::sync_with_stdio(0);cin.tie(0);
cin>>n>>k;
rep(i,1,n){
cin>>a[i];
}
rep(i,1,n){
cur = cur>>1 & g[a[i]];
cur[i]=1;
if(i>1) cur[i-1]=(abs(a[i]-a[i-1])<=k);
if(i%B==0){
f[i]=cur;
}
rep(j, max(1,a[i]-k), min(A-1,a[i]+k)){
g[j][i]=1;
}
}
rep(i,1,n){
int le=(i+B-1)/B, ri=n/B;
int ans=0;
if(le<=ri){
while(le<ri){
int mid=(le+ri+1)/2;
int r=mid*B, l=i*2-r;
if(l>0 && f[r/B][l]){
le=mid;
}
else{
ri=mid-1;
}
}
ans=max(0, le*B-B-i);
}
while(i+ans<n && i-ans>1 && abs(a[i+ans+1]-a[i-ans-1])<=k){
ans++;
}
cout<< ans*2+1 <<' ';
}
cout<<'\n';
rep(i,2,n){
int le=(i+B)/B, ri=n/B;
int ans=0;
if(le<=ri){
while(le<ri){
int mid=(le+ri+1)/2;
int r=mid*B, l=i*2-1-r;
if(l>0 && f[r/B][l]){
le=mid;
}
else{
ri=mid-1;
}
}
ans=max(0, le*B-B-i);
}
// cout<<"?"<<i<<' '<<ans<<endl;
while(i+ans<=n && i-1-ans>=1 && abs(a[i+ans]-a[i-ans-1])<=k){
ans++;
}
cout<< ans*2 <<' ';
}
cout<<'\n';
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3808kb
input:
5 0 1 2 1 2 1
output:
1 3 5 3 1 0 0 0 0
result:
ok 9 numbers
Test #2:
score: 0
Accepted
time: 1ms
memory: 3768kb
input:
5 1 1 2 1 3 1
output:
1 3 5 3 1 2 2 0 0
result:
ok 9 numbers
Test #3:
score: 0
Accepted
time: 1ms
memory: 3776kb
input:
10 0 1 2 3 4 500 5 501 6 499 503
output:
1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0
result:
ok 19 numbers
Test #4:
score: 0
Accepted
time: 1ms
memory: 3740kb
input:
10 1 1 2 3 4 500 5 501 6 499 503
output:
1 1 1 1 3 3 5 1 1 1 2 2 2 0 0 0 0 0 0
result:
ok 19 numbers
Test #5:
score: 0
Accepted
time: 0ms
memory: 5816kb
input:
10 2 1 2 3 4 500 5 501 6 499 503
output:
1 3 3 1 3 5 5 3 1 1 2 2 2 0 0 0 0 0 0
result:
ok 19 numbers
Test #6:
score: 0
Accepted
time: 1ms
memory: 5976kb
input:
10 10 1 2 3 4 500 5 501 6 499 503
output:
1 3 3 1 3 5 5 3 1 1 2 4 2 0 0 0 0 0 2
result:
ok 19 numbers
Test #7:
score: -100
Runtime Error
input:
100000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...