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Submission #867041

# Submission time Handle Problem Language Result Execution time Memory
867041 2023-10-27T15:23:22 Z boris_7 Global Warming (CEOI18_glo) C++17
100 / 100
 48 ms 5524 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;

void solve(){
    int n,k;
    cin>>n>>k;
    vector<int>v(n);
    for(int i = 0;i<n;i++){
        cin>>v[i];
    }
    vector<int>dp(n+1,1e9);
    vector<int>pref(n);
    int ans = 0;
    for(int i = 0;i<n;i++){
        auto it = lower_bound(dp.begin(),dp.end(),v[i])-dp.begin();
        dp[it]=v[i];
        pref[i]=it+1;
        ans = max(ans,pref[i]);
    }
    dp = vector<int>(n+1,1e9);
    for(int i = n-1;i>=0;i--){
		auto it = lower_bound(dp.begin(), dp.end(), -v[i] + k) - dp.begin();
        ans = max(ans,int(it+pref[i]));
        it = lower_bound(dp.begin(),dp.end(),-v[i])-dp.begin();
        dp[it]=-v[i];
    }
    cout<<ans<<endl;
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
    // int t;cin>>t;while(t--)
        solve();
}

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 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 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 0 ms 348 KB Output is correct
18 Correct 1 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 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 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 0 ms 348 KB Output is correct
18 Correct 1 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 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 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 48 ms 5328 KB Output is correct
2 Correct 48 ms 5456 KB Output is correct
3 Correct 48 ms 5456 KB Output is correct
4 Correct 48 ms 5456 KB Output is correct
5 Correct 34 ms 4692 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1624 KB Output is correct
2 Correct 11 ms 1628 KB Output is correct
3 Correct 11 ms 1544 KB Output is correct
4 Correct 9 ms 1492 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 9 ms 1456 KB Output is correct
7 Correct 10 ms 1756 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2908 KB Output is correct
2 Correct 20 ms 2908 KB Output is correct
3 Correct 41 ms 5452 KB Output is correct
4 Correct 37 ms 4688 KB Output is correct
5 Correct 18 ms 2396 KB Output is correct
6 Correct 28 ms 4532 KB Output is correct
7 Correct 31 ms 5212 KB Output is correct
8 Correct 19 ms 3012 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 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 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 0 ms 348 KB Output is correct
18 Correct 1 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 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 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 48 ms 5328 KB Output is correct
28 Correct 48 ms 5456 KB Output is correct
29 Correct 48 ms 5456 KB Output is correct
30 Correct 48 ms 5456 KB Output is correct
31 Correct 34 ms 4692 KB Output is correct
32 Correct 11 ms 1624 KB Output is correct
33 Correct 11 ms 1628 KB Output is correct
34 Correct 11 ms 1544 KB Output is correct
35 Correct 9 ms 1492 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 9 ms 1456 KB Output is correct
38 Correct 10 ms 1756 KB Output is correct
39 Correct 20 ms 2908 KB Output is correct
40 Correct 20 ms 2908 KB Output is correct
41 Correct 41 ms 5452 KB Output is correct
42 Correct 37 ms 4688 KB Output is correct
43 Correct 18 ms 2396 KB Output is correct
44 Correct 28 ms 4532 KB Output is correct
45 Correct 31 ms 5212 KB Output is correct
46 Correct 19 ms 3012 KB Output is correct
47 Correct 23 ms 2908 KB Output is correct
48 Correct 24 ms 2796 KB Output is correct
49 Correct 48 ms 5324 KB Output is correct
50 Correct 36 ms 4488 KB Output is correct
51 Correct 30 ms 3676 KB Output is correct
52 Correct 36 ms 4700 KB Output is correct
53 Correct 29 ms 4688 KB Output is correct
54 Correct 32 ms 5456 KB Output is correct
55 Correct 39 ms 5524 KB Output is correct