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Submission #940033

# Submission time Handle Problem Language Result Execution time Memory
940033 2024-03-07T04:23:39 Z vjudge1 Global Warming (CEOI18_glo) C++17
100 / 100
 97 ms 6688 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n,x;
    cin>>n>>x;
    vector <int> a(n);
    for(int i=0;i<n;i++)cin>>a[i];
    vector <int> v(n+1,1e18);
    v[0]=-1e18;
    vector <int> l(n),r(n);
    for(int i=0;i<n;i++){
        auto it=lower_bound(all(v),a[i]);
        int pos=it-v.begin();
        v[pos]=a[i];
        l[i]=pos;
    }
    for(int i=0;i<n;i++)a[i]*=-1;
    for(int i=1;i<=n;i++)v[i]=1e18;
    
    for(int i=n-1;i>=0;i--){
        auto it=lower_bound(all(v),a[i]+x);
        int pos=it-v.begin();
        r[i]=pos;
        it=lower_bound(all(v),a[i]);
        pos=it-v.begin();
        v[pos]=a[i];
    }
    int mx=0;
    for(int i=0;i<n;i++){
        mx=max(mx,l[i]+r[i]-1);
    }
    cout<<mx<<"\n";
}
/*
 4
 1 2200 700
 1 1800 10
 1 2550 9999
 1 2000 750
 3
 1 1500 300
 1 1900 1500
 1 2400 4550
*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 344 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

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 344 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 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 1 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 344 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 6684 KB Output is correct
2 Correct 97 ms 6600 KB Output is correct
3 Correct 85 ms 6596 KB Output is correct
4 Correct 84 ms 6484 KB Output is correct
5 Correct 67 ms 6480 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2012 KB Output is correct
2 Correct 21 ms 1880 KB Output is correct
3 Correct 21 ms 1884 KB Output is correct
4 Correct 16 ms 2048 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 15 ms 1856 KB Output is correct
7 Correct 19 ms 1860 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 3412 KB Output is correct
2 Correct 39 ms 3572 KB Output is correct
3 Correct 79 ms 6608 KB Output is correct
4 Correct 60 ms 6484 KB Output is correct
5 Correct 33 ms 3412 KB Output is correct
6 Correct 62 ms 6224 KB Output is correct
7 Correct 67 ms 6224 KB Output is correct
8 Correct 44 ms 3408 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 1 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 344 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 85 ms 6684 KB Output is correct
28 Correct 97 ms 6600 KB Output is correct
29 Correct 85 ms 6596 KB Output is correct
30 Correct 84 ms 6484 KB Output is correct
31 Correct 67 ms 6480 KB Output is correct
32 Correct 21 ms 2012 KB Output is correct
33 Correct 21 ms 1880 KB Output is correct
34 Correct 21 ms 1884 KB Output is correct
35 Correct 16 ms 2048 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 15 ms 1856 KB Output is correct
38 Correct 19 ms 1860 KB Output is correct
39 Correct 49 ms 3412 KB Output is correct
40 Correct 39 ms 3572 KB Output is correct
41 Correct 79 ms 6608 KB Output is correct
42 Correct 60 ms 6484 KB Output is correct
43 Correct 33 ms 3412 KB Output is correct
44 Correct 62 ms 6224 KB Output is correct
45 Correct 67 ms 6224 KB Output is correct
46 Correct 44 ms 3408 KB Output is correct
47 Correct 43 ms 3420 KB Output is correct
48 Correct 45 ms 3560 KB Output is correct
49 Correct 85 ms 6484 KB Output is correct
50 Correct 62 ms 6608 KB Output is correct
51 Correct 48 ms 4948 KB Output is correct
52 Correct 62 ms 6604 KB Output is correct
53 Correct 70 ms 6608 KB Output is correct
54 Correct 85 ms 6684 KB Output is correct
55 Correct 76 ms 6688 KB Output is correct