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Submission #969374

# Submission time Handle Problem Language Result Execution time Memory
969374 2024-04-25T04:43:34 Z ttamx Global Warming (CEOI18_glo) C++17
100 / 100
 52 ms 4308 KB 
#include<bits/stdc++.h>

using namespace std;

const int N=2e5+5;

int n,x;
int a[N],dp[N];
vector<int> v1,v2;
int ans;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> x;
    for(int i=1;i<=n;i++)cin >> a[i];
    for(int i=1;i<=n;i++){
        auto it=lower_bound(v1.begin(),v1.end(),a[i]);
        dp[i]=it-v1.begin()+1;
        if(it==v1.end())v1.emplace_back(a[i]);
        else *it=a[i];
    }
    for(int i=n;i>=1;i--){
        auto it=lower_bound(v2.begin(),v2.end(),-a[i]);
        ans=max(ans,dp[i]+int(it-v2.begin()));
        a[i]+=x;
        it=lower_bound(v2.begin(),v2.end(),-a[i]);
        if(it==v2.end())v2.emplace_back(-a[i]);
        else *it=-a[i];
    }
    cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 464 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 460 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 464 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 856 KB Output is correct
16 Correct 0 ms 600 KB Output is correct
17 Correct 0 ms 344 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 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 464 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 856 KB Output is correct
16 Correct 0 ms 600 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 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 0 ms 348 KB Output is correct
22 Correct 1 ms 444 KB Output is correct
23 Correct 1 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 47 ms 3164 KB Output is correct
2 Correct 52 ms 3160 KB Output is correct
3 Correct 50 ms 3088 KB Output is correct
4 Correct 46 ms 3156 KB Output is correct
5 Correct 22 ms 3796 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1116 KB Output is correct
2 Correct 11 ms 1188 KB Output is correct
3 Correct 11 ms 1116 KB Output is correct
4 Correct 7 ms 1372 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 10 ms 1236 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 1876 KB Output is correct
2 Correct 19 ms 1920 KB Output is correct
3 Correct 38 ms 3156 KB Output is correct
4 Correct 22 ms 3792 KB Output is correct
5 Correct 11 ms 2272 KB Output is correct
6 Correct 20 ms 3796 KB Output is correct
7 Correct 25 ms 4304 KB Output is correct
8 Correct 16 ms 1884 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 464 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 856 KB Output is correct
16 Correct 0 ms 600 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 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 0 ms 348 KB Output is correct
22 Correct 1 ms 444 KB Output is correct
23 Correct 1 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 47 ms 3164 KB Output is correct
28 Correct 52 ms 3160 KB Output is correct
29 Correct 50 ms 3088 KB Output is correct
30 Correct 46 ms 3156 KB Output is correct
31 Correct 22 ms 3796 KB Output is correct
32 Correct 11 ms 1116 KB Output is correct
33 Correct 11 ms 1188 KB Output is correct
34 Correct 11 ms 1116 KB Output is correct
35 Correct 7 ms 1372 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 5 ms 1372 KB Output is correct
38 Correct 10 ms 1236 KB Output is correct
39 Correct 19 ms 1876 KB Output is correct
40 Correct 19 ms 1920 KB Output is correct
41 Correct 38 ms 3156 KB Output is correct
42 Correct 22 ms 3792 KB Output is correct
43 Correct 11 ms 2272 KB Output is correct
44 Correct 20 ms 3796 KB Output is correct
45 Correct 25 ms 4304 KB Output is correct
46 Correct 16 ms 1884 KB Output is correct
47 Correct 22 ms 1880 KB Output is correct
48 Correct 22 ms 2032 KB Output is correct
49 Correct 48 ms 3288 KB Output is correct
50 Correct 22 ms 3804 KB Output is correct
51 Correct 21 ms 3404 KB Output is correct
52 Correct 23 ms 3744 KB Output is correct
53 Correct 23 ms 3864 KB Output is correct
54 Correct 24 ms 4308 KB Output is correct
55 Correct 36 ms 3196 KB Output is correct