Submission #1004146

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1004146	2024-06-21T05:50:50 Z	MonoLith	Global Warming (CEOI18_glo)	C++17	100 / 100	42 ms	7068 KB

/*
   ॐ नमो भगवते वासुदेवाय नमः
   ॐ भूर्भुव: स्व: तत्सवितुर्वरेण्यं भर्गो देवस्य धीमहि धियो यो न: प्रचोदयात्।
*/
// all hail Infront of almighty lord krishna (jai shri krishna ji)
  #include<bits/stdc++.h>
  #include <ext/pb_ds/assoc_container.hpp>
  #include <ext/pb_ds/tree_policy.hpp>
  using namespace std;
  using namespace __gnu_pbds;
  #define int long long 
  const long long INF =1e18;
  template<class T>
  using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update> ;
  template<typename T> 
  using ordered_multiset = tree<T, null_type,less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;
  const int N=1e5 + 10;
  const int mod = 998244353;  


  void Solve()
  {
    int n,x;
    cin>>n>>x;
    vector<int>a(n);
    for(int i=0;i<n;i++)
    {
      cin>>a[i];
    }
    vector<int>inc(n,1);
    vector<int>dp(n,1e12);
    int ans=0;
    for(int i=0;i<n;i++)
    {
      auto j=lower_bound(dp.begin(),dp.end(),a[i])-dp.begin();
      inc[i]=j+1;
      dp[j]=a[i];
      ans=max(ans,inc[i]);
    }
    fill(dp.begin(),dp.end(),1e12);
    for(int i=n-1;i>=0;i--)
    {
      auto it=lower_bound(dp.begin(),dp.end(),-a[i]+x)-dp.begin();
      ans=max(ans,inc[i]+it);
      it=lower_bound(dp.begin(),dp.end(),-a[i])-dp.begin();
      dp[it]=-a[i];
    }
    cout<<ans<<"\n";
  }

  signed main()
  { 
    
      auto begin = std::chrono::high_resolution_clock::now();
      ios_base::sync_with_stdio(0);
      cin.tie(0);
      cout<<fixed;
      int t = 1;
      // cin >> t;

      for(int i = 1; i <= t; i++) 
      {
          // cout << "Case #" << i << ": ";
          Solve();
 
      }
      auto end = std::chrono::high_resolution_clock::now();
      auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
      // cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
      return 0;       
  }

Subtask #1
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	344 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	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	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 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	604 KB	Output is correct
13	Correct	0 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	1 ms	348 KB	Output is correct
18	Correct	0 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	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 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	604 KB	Output is correct
13	Correct	0 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	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 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	0 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	35 ms	7004 KB	Output is correct
2	Correct	40 ms	7004 KB	Output is correct
3	Correct	34 ms	7004 KB	Output is correct
4	Correct	42 ms	7012 KB	Output is correct
5	Correct	25 ms	6236 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1884 KB	Output is correct
2	Correct	8 ms	2132 KB	Output is correct
3	Correct	9 ms	1884 KB	Output is correct
4	Correct	6 ms	1924 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	7 ms	1884 KB	Output is correct
7	Correct	7 ms	2136 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	3676 KB	Output is correct
2	Correct	16 ms	3784 KB	Output is correct
3	Correct	36 ms	7004 KB	Output is correct
4	Correct	27 ms	6236 KB	Output is correct
5	Correct	14 ms	3160 KB	Output is correct
6	Correct	24 ms	5976 KB	Output is correct
7	Correct	25 ms	6748 KB	Output is correct
8	Correct	13 ms	3676 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	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 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	604 KB	Output is correct
13	Correct	0 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	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 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	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	35 ms	7004 KB	Output is correct
28	Correct	40 ms	7004 KB	Output is correct
29	Correct	34 ms	7004 KB	Output is correct
30	Correct	42 ms	7012 KB	Output is correct
31	Correct	25 ms	6236 KB	Output is correct
32	Correct	9 ms	1884 KB	Output is correct
33	Correct	8 ms	2132 KB	Output is correct
34	Correct	9 ms	1884 KB	Output is correct
35	Correct	6 ms	1924 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	7 ms	1884 KB	Output is correct
38	Correct	7 ms	2136 KB	Output is correct
39	Correct	16 ms	3676 KB	Output is correct
40	Correct	16 ms	3784 KB	Output is correct
41	Correct	36 ms	7004 KB	Output is correct
42	Correct	27 ms	6236 KB	Output is correct
43	Correct	14 ms	3160 KB	Output is correct
44	Correct	24 ms	5976 KB	Output is correct
45	Correct	25 ms	6748 KB	Output is correct
46	Correct	13 ms	3676 KB	Output is correct
47	Correct	18 ms	3676 KB	Output is correct
48	Correct	19 ms	3792 KB	Output is correct
49	Correct	34 ms	7008 KB	Output is correct
50	Correct	26 ms	6236 KB	Output is correct
51	Correct	28 ms	4700 KB	Output is correct
52	Correct	26 ms	6236 KB	Output is correct
53	Correct	25 ms	6236 KB	Output is correct
54	Correct	26 ms	7068 KB	Output is correct
55	Correct	29 ms	7020 KB	Output is correct

Submission #1004146

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 17.0 / 17.0

Subtask #7 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
17.0 / 17.0

Subtask #7
25.0 / 25.0