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Submission #1103988

# Submission time Handle Problem Language Result Execution time Memory
1103988 2024-10-22T14:21:10 Z vjudge1 Global Warming (CEOI18_glo) C++11
100 / 100
 46 ms 8272 KB 
/*
	* AUTHOR : lo0ker
	* Problem : Global warming
	* source : 
*/

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
#define pb push_back
#define all(x) begin(x), end(x)
#define sz(x) (int) (x).size()

const int MOD = 1e9+7;

int main(){
  ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n;
  ll x;
  cin >> n >> x;
  vector<ll> v(n);
  vector<ll> revv(n);
  for(int i = 0; i < n; i++){
    cin >> v[i];
    revv[i] = 0-v[i];
  }

  vi pre(n, 0);
  vi suff(n, 0);

  vector<ll> temp(n, INT_MAX);
  int ans = 0;
  
  for(int i = 0; i < n; i++){
    int idx = lower_bound(temp.begin(), temp.end(), v[i]) - temp.begin();
    temp[idx] = v[i];
    pre[i] = idx+1;
    ans = max(ans, pre[i]);
  }

  temp = vector<ll>(n, INT_MAX);
  for(int i = n-1; i >= 0; i--){
    int idx = lower_bound(temp.begin(), temp.end(), revv[i] + x) - temp.begin();
    ans = max(ans, pre[i] + idx);
    int in = lower_bound(temp.begin(), temp.end(), revv[i]) - temp.begin();
    temp[in] = revv[i];
  }

  cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 8272 KB Output is correct
2 Correct 46 ms 8260 KB Output is correct
3 Correct 46 ms 8264 KB Output is correct
4 Correct 43 ms 8264 KB Output is correct
5 Correct 34 ms 8272 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2384 KB Output is correct
2 Correct 10 ms 2384 KB Output is correct
3 Correct 11 ms 2384 KB Output is correct
4 Correct 8 ms 2384 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 9 ms 2384 KB Output is correct
7 Correct 9 ms 2384 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 4176 KB Output is correct
2 Correct 25 ms 4176 KB Output is correct
3 Correct 45 ms 8272 KB Output is correct
4 Correct 32 ms 8264 KB Output is correct
5 Correct 16 ms 4176 KB Output is correct
6 Correct 28 ms 7760 KB Output is correct
7 Correct 31 ms 7760 KB Output is correct
8 Correct 18 ms 4176 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 45 ms 8272 KB Output is correct
28 Correct 46 ms 8260 KB Output is correct
29 Correct 46 ms 8264 KB Output is correct
30 Correct 43 ms 8264 KB Output is correct
31 Correct 34 ms 8272 KB Output is correct
32 Correct 11 ms 2384 KB Output is correct
33 Correct 10 ms 2384 KB Output is correct
34 Correct 11 ms 2384 KB Output is correct
35 Correct 8 ms 2384 KB Output is correct
36 Correct 1 ms 336 KB Output is correct
37 Correct 9 ms 2384 KB Output is correct
38 Correct 9 ms 2384 KB Output is correct
39 Correct 23 ms 4176 KB Output is correct
40 Correct 25 ms 4176 KB Output is correct
41 Correct 45 ms 8272 KB Output is correct
42 Correct 32 ms 8264 KB Output is correct
43 Correct 16 ms 4176 KB Output is correct
44 Correct 28 ms 7760 KB Output is correct
45 Correct 31 ms 7760 KB Output is correct
46 Correct 18 ms 4176 KB Output is correct
47 Correct 21 ms 4176 KB Output is correct
48 Correct 23 ms 4176 KB Output is correct
49 Correct 45 ms 8272 KB Output is correct
50 Correct 32 ms 8264 KB Output is correct
51 Correct 26 ms 6144 KB Output is correct
52 Correct 39 ms 8272 KB Output is correct
53 Correct 29 ms 8264 KB Output is correct
54 Correct 33 ms 8272 KB Output is correct
55 Correct 36 ms 8272 KB Output is correct