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Submission #969721

# Submission time Handle Problem Language Result Execution time Memory
969721 2024-04-25T13:45:03 Z vjudge1 Global Warming (CEOI18_glo) C++17
100 / 100
 45 ms 5332 KB 
/*
 * 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 <algorithm>
#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+1);
    arr[i]=-1*arr[i];
  }

  int res=lis.size();
  lis.clear();
  for(int i=n-1;i>=0;i--){
    int first=lower_bound(lis.begin(),lis.end(),arr[i]+x)-lis.begin();
    res=max(res,first+tail[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];
    }
  }
  cout << res;
  return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 4060 KB Output is correct
2 Correct 45 ms 4084 KB Output is correct
3 Correct 44 ms 4056 KB Output is correct
4 Correct 45 ms 4056 KB Output is correct
5 Correct 19 ms 5200 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1504 KB Output is correct
2 Correct 11 ms 1504 KB Output is correct
3 Correct 11 ms 1504 KB Output is correct
4 Correct 5 ms 1444 KB Output is correct
5 Correct 1 ms 500 KB Output is correct
6 Correct 5 ms 1496 KB Output is correct
7 Correct 10 ms 1504 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 2224 KB Output is correct
2 Correct 18 ms 2324 KB Output is correct
3 Correct 38 ms 4056 KB Output is correct
4 Correct 20 ms 4812 KB Output is correct
5 Correct 9 ms 2768 KB Output is correct
6 Correct 17 ms 4808 KB Output is correct
7 Correct 25 ms 5076 KB Output is correct
8 Correct 15 ms 2268 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 45 ms 4060 KB Output is correct
28 Correct 45 ms 4084 KB Output is correct
29 Correct 44 ms 4056 KB Output is correct
30 Correct 45 ms 4056 KB Output is correct
31 Correct 19 ms 5200 KB Output is correct
32 Correct 10 ms 1504 KB Output is correct
33 Correct 11 ms 1504 KB Output is correct
34 Correct 11 ms 1504 KB Output is correct
35 Correct 5 ms 1444 KB Output is correct
36 Correct 1 ms 500 KB Output is correct
37 Correct 5 ms 1496 KB Output is correct
38 Correct 10 ms 1504 KB Output is correct
39 Correct 18 ms 2224 KB Output is correct
40 Correct 18 ms 2324 KB Output is correct
41 Correct 38 ms 4056 KB Output is correct
42 Correct 20 ms 4812 KB Output is correct
43 Correct 9 ms 2768 KB Output is correct
44 Correct 17 ms 4808 KB Output is correct
45 Correct 25 ms 5076 KB Output is correct
46 Correct 15 ms 2268 KB Output is correct
47 Correct 22 ms 2268 KB Output is correct
48 Correct 21 ms 2408 KB Output is correct
49 Correct 44 ms 4056 KB Output is correct
50 Correct 20 ms 5068 KB Output is correct
51 Correct 18 ms 4552 KB Output is correct
52 Correct 21 ms 4808 KB Output is correct
53 Correct 18 ms 5064 KB Output is correct
54 Correct 21 ms 5332 KB Output is correct
55 Correct 35 ms 4056 KB Output is correct