#include <bits/stdc++.h>
//#define int long long
#define F first
#define S second
#define pb push_back
#define in insert
#define mid (l+r)/2
#define endl "\n"
//#define pop pop_back
using namespace std ;
int n,x,tree[8000009],b[200009],res=0,dp[200009],c[200009];
int query(int node , int l , int r , int s , int e){
if(l>=s && r<=e) return tree[node];
else if(l>e || r<s) return 0;
return max(query(node*2,l,mid,s,e),query(node*2+1,mid+1,r,s,e));
}
void upd(int node , int l , int r , int id , int v){
if(l==r){
tree[node]=v;
return ;
}
else if(id<=mid) upd(node*2,l,mid,id,v);
else upd(node*2+1,mid+1,r,id,v);
tree[node]=max(tree[node*2],tree[node*2+1]);
return ;
}
int main(){
ios::sync_with_stdio(false);cin.tie(nullptr);
cin>>n>>x;
vector<int> v;
for(int i=1;i<=n;i++){
cin>>b[i];
for(int j=-x;j<=x;j++) v.pb(b[i]+j);
}
sort(begin(v),end(v));v.resize(unique(v.begin(),v.end())-v.begin());
map<int,int> mp;int t=0;for(auto u : v) mp[u]=++t;
for(int j=-x;j<=x;j++){
if(j==0){
for(int k=1;k<=n;k++) c[k]=mp[b[k]];
for(int i=0;i<=4*t;i++){
tree[i]=0;
dp[i]=0;
}
for(int i=1;i<=n;i++){
int xx=1+query(1,0,t,0,c[i]-1);
res=max(res,xx);
upd(1,0,t,c[i],xx);
}
continue ;
}
for(int l=1;l<=n;l++){
for(int r=l;r<=n;r++){
for(int k=1;k<=n;k++) c[k]=mp[b[k]];
for(int k=l;k<=r;k++) c[k]=mp[b[k]+j];
for(int i=0;i<=4*t;i++){
tree[i]=0;
dp[i]=0;
}
for(int i=1;i<=n;i++){
int xx=1+query(1,0,t,0,c[i]-1);
res=max(res,xx);
upd(1,0,t,c[i],xx);
}
}
}
}
cout<<res;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4440 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
2 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
2 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4440 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
2 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
2 ms |
4444 KB |
Output is correct |
12 |
Correct |
111 ms |
4564 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
537 ms |
4600 KB |
Output is correct |
15 |
Correct |
203 ms |
4588 KB |
Output is correct |
16 |
Correct |
196 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
2 ms |
4440 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4440 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
2 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
2 ms |
4444 KB |
Output is correct |
12 |
Correct |
111 ms |
4564 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
537 ms |
4600 KB |
Output is correct |
15 |
Correct |
203 ms |
4588 KB |
Output is correct |
16 |
Correct |
196 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
2 ms |
4440 KB |
Output is correct |
19 |
Runtime error |
219 ms |
262144 KB |
Execution killed with signal 9 |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
191 ms |
16880 KB |
Output is correct |
2 |
Correct |
173 ms |
16964 KB |
Output is correct |
3 |
Correct |
169 ms |
16840 KB |
Output is correct |
4 |
Correct |
168 ms |
16848 KB |
Output is correct |
5 |
Correct |
79 ms |
10200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2037 ms |
41408 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
119 ms |
262144 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4440 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
2 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
2 ms |
4444 KB |
Output is correct |
12 |
Correct |
111 ms |
4564 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
537 ms |
4600 KB |
Output is correct |
15 |
Correct |
203 ms |
4588 KB |
Output is correct |
16 |
Correct |
196 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
2 ms |
4440 KB |
Output is correct |
19 |
Runtime error |
219 ms |
262144 KB |
Execution killed with signal 9 |
20 |
Halted |
0 ms |
0 KB |
- |