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Submission #969403

# Submission time Handle Problem Language Result Execution time Memory
969403 2024-04-25T06:10:09 Z vjudge1 Global Warming (CEOI18_glo) C++17
0 / 100
 30 ms 8512 KB 
/*
 * With a little appreciation, in a mostly hollow tone, she says, "Delightful." As if the world has any meaning.
 * TASK : 
 * AUTHOR : Marszpace
*/

#include <algorithm>
#include<bits/stdc++.h>
using namespace std;

int 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++){
    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];
    }
    len.push_back(lis.size());
    tail.push_back(lis.back());
  }

  int res=-1;
  vector<int> lds;
  for(int i=n-1;i>=1;i--){
    if(lds.empty()||lis.back()>arr[i]){
      lds.push_back(arr[i]);
    }
    else{
      int idx=lower_bound(lds.begin(),lds.end(),arr[i],greater<int>())-lis.begin();
      lds[idx]=arr[i];
    }
    if(tail[i-1]<lds.back()+x){
      res=max(res,(int)lds.size()+len[i-1]);
    }
  }
  cout << res;
  return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 30 ms 8512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 9 ms 3032 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 17 ms 4540 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -