/*
* With a little appreciation, in a mostly hollow tone, she says, "Delightful." As if the world has any meaning.
* TASK : Global Warming
* AUTHOR : Marszpace
*/
#include<bits/stdc++.h>
using namespace std;
#define int long long
int32_t main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int n,x;
cin >> n >> x;
vector<int> arr(n);
for(int i=0;i<n;i++){
cin >> arr[i];
}
vector<int> lis,len,tail;
for(int i=0;i<n;i++){
int idx;
if(lis.empty()||lis.back()<arr[i]){
idx=lis.size();
lis.push_back(arr[i]);
}
else{
idx=lower_bound(lis.begin(),lis.end(),arr[i])-lis.begin();
lis[idx]=arr[i];
}
tail.push_back(idx);
arr[i]=-1*arr[i];
}
int res=lis.size();
lis.clear();
for(int i=n-1;i>=1;i--){
if(lis.empty()||lis.back()<arr[i]){
lis.push_back(arr[i]);
}
else{
int idx=lower_bound(lis.begin(),lis.end(),arr[i])-lis.begin();
lis[idx]=arr[i];
}
res=max(res,(int)lis.size()+tail[i-1]);
}
cout << res;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
36 ms |
4052 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
11 ms |
1500 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
18 ms |
2268 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |