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Submission #1072712

# Submission time Handle Problem Language Result Execution time Memory
1072712 2024-08-24T03:14:49 Z boyliguanhan Global Warming (CEOI18_glo) C++17
100 / 100
 46 ms 5456 KB 
#include<bits/stdc++.h>
using namespace std;
int goleft[200100], goright[200100],vl[200100],pos[200100];
int main(){
    cin.tie(0)->sync_with_stdio(0);
    int n,x;
    cin>>n>>x;
    for(auto&i:pos)i=2e9;
    pos[0]=0;
    for(int i=1;i<=n;i++)
        cin>>vl[i];
    for(int i=n;i;i--){
        goright[i]=lower_bound(pos,pos+n+1,1e9-vl[i])-pos;
        pos[goright[i]] = 1e9-vl[i];
    }
    int ans=0;
    for(auto&i:pos)i=2e9;
    int A=clock();
    pos[0]=0;
    for(int i=1;i<=n;i++){
        ans=max(ans,goright[i]+(int)(lower_bound(pos,pos+n+1,vl[i]+x)-pos)-1);
        goleft[i]=lower_bound(pos,pos+n+1,vl[i])-pos;
        pos[goleft[i]] = vl[i];
    }
    int B=clock();
    // cerr<<(B-A )/ 1e6<<'\n';
    cout<<ans<<'\n';
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:18:9: warning: unused variable 'A' [-Wunused-variable]
   18 |     int A=clock();
      |         ^
glo.cpp:25:9: warning: unused variable 'B' [-Wunused-variable]
   25 |     int B=clock();
      |         ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 3412 KB Output is correct
2 Correct 42 ms 3408 KB Output is correct
3 Correct 44 ms 3412 KB Output is correct
4 Correct 42 ms 3420 KB Output is correct
5 Correct 29 ms 3420 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2652 KB Output is correct
2 Correct 11 ms 2652 KB Output is correct
3 Correct 10 ms 2692 KB Output is correct
4 Correct 8 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 8 ms 2652 KB Output is correct
7 Correct 8 ms 2648 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 3208 KB Output is correct
2 Correct 19 ms 2908 KB Output is correct
3 Correct 38 ms 3556 KB Output is correct
4 Correct 33 ms 3420 KB Output is correct
5 Correct 16 ms 2904 KB Output is correct
6 Correct 26 ms 3404 KB Output is correct
7 Correct 31 ms 3416 KB Output is correct
8 Correct 15 ms 2908 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 46 ms 3412 KB Output is correct
28 Correct 42 ms 3408 KB Output is correct
29 Correct 44 ms 3412 KB Output is correct
30 Correct 42 ms 3420 KB Output is correct
31 Correct 29 ms 3420 KB Output is correct
32 Correct 10 ms 2652 KB Output is correct
33 Correct 11 ms 2652 KB Output is correct
34 Correct 10 ms 2692 KB Output is correct
35 Correct 8 ms 2652 KB Output is correct
36 Correct 1 ms 2652 KB Output is correct
37 Correct 8 ms 2652 KB Output is correct
38 Correct 8 ms 2648 KB Output is correct
39 Correct 24 ms 3208 KB Output is correct
40 Correct 19 ms 2908 KB Output is correct
41 Correct 38 ms 3556 KB Output is correct
42 Correct 33 ms 3420 KB Output is correct
43 Correct 16 ms 2904 KB Output is correct
44 Correct 26 ms 3404 KB Output is correct
45 Correct 31 ms 3416 KB Output is correct
46 Correct 15 ms 2908 KB Output is correct
47 Correct 22 ms 3948 KB Output is correct
48 Correct 23 ms 4060 KB Output is correct
49 Correct 46 ms 5372 KB Output is correct
50 Correct 31 ms 4600 KB Output is correct
51 Correct 27 ms 4056 KB Output is correct
52 Correct 32 ms 4700 KB Output is correct
53 Correct 28 ms 4696 KB Output is correct
54 Correct 30 ms 5456 KB Output is correct
55 Correct 36 ms 5376 KB Output is correct