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Submission #972308

# Submission time Handle Problem Language Result Execution time Memory
972308 2024-04-30T10:36:55 Z sofija6 Global Warming (CEOI18_glo) C++14
100 / 100
 47 ms 6592 KB 
#include <bits/stdc++.h>
#define ll long long
#define MAXN 200010
using namespace std;
ll t[MAXN],lis[MAXN];
int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,x,ans=0;
    cin >> n >> x;
    for (ll i=1;i<=n;i++)
        cin >> t[i];
    vector<ll> v;
    for (ll i=1;i<=n;i++)
    {
        auto it=lower_bound(v.begin(),v.end(),t[i]);
        if (it==v.end())
        {
            v.push_back(t[i]);
            lis[i]=v.size();
        }
        else
        {
            lis[i]=it-v.begin()+1;
            v[it-v.begin()]=t[i];
        }
    }
    v.clear();
    for (ll i=n;i>0;i--)
    {
        auto it=lower_bound(v.begin(),v.end(),-t[i]);
        ans=max(ans,lis[i]+(it-v.begin()));
        t[i]+=x;
        it=lower_bound(v.begin(),v.end(),-t[i]);
        if (it==v.end())
            v.push_back(-t[i]);
        else
            v[it-v.begin()]=-t[i];
    }
    cout << ans;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2516 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2516 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 5288 KB Output is correct
2 Correct 47 ms 5292 KB Output is correct
3 Correct 44 ms 5464 KB Output is correct
4 Correct 43 ms 5428 KB Output is correct
5 Correct 22 ms 5820 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3164 KB Output is correct
2 Correct 10 ms 3164 KB Output is correct
3 Correct 10 ms 3164 KB Output is correct
4 Correct 7 ms 3292 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 6 ms 3296 KB Output is correct
7 Correct 8 ms 3188 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 3672 KB Output is correct
2 Correct 18 ms 3676 KB Output is correct
3 Correct 36 ms 5504 KB Output is correct
4 Correct 21 ms 5852 KB Output is correct
5 Correct 12 ms 4036 KB Output is correct
6 Correct 18 ms 5852 KB Output is correct
7 Correct 22 ms 6412 KB Output is correct
8 Correct 15 ms 3672 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2516 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 44 ms 5288 KB Output is correct
28 Correct 47 ms 5292 KB Output is correct
29 Correct 44 ms 5464 KB Output is correct
30 Correct 43 ms 5428 KB Output is correct
31 Correct 22 ms 5820 KB Output is correct
32 Correct 10 ms 3164 KB Output is correct
33 Correct 10 ms 3164 KB Output is correct
34 Correct 10 ms 3164 KB Output is correct
35 Correct 7 ms 3292 KB Output is correct
36 Correct 1 ms 2392 KB Output is correct
37 Correct 6 ms 3296 KB Output is correct
38 Correct 8 ms 3188 KB Output is correct
39 Correct 18 ms 3672 KB Output is correct
40 Correct 18 ms 3676 KB Output is correct
41 Correct 36 ms 5504 KB Output is correct
42 Correct 21 ms 5852 KB Output is correct
43 Correct 12 ms 4036 KB Output is correct
44 Correct 18 ms 5852 KB Output is correct
45 Correct 22 ms 6412 KB Output is correct
46 Correct 15 ms 3672 KB Output is correct
47 Correct 22 ms 3784 KB Output is correct
48 Correct 21 ms 3672 KB Output is correct
49 Correct 47 ms 5304 KB Output is correct
50 Correct 21 ms 5892 KB Output is correct
51 Correct 20 ms 5080 KB Output is correct
52 Correct 24 ms 5852 KB Output is correct
53 Correct 19 ms 5824 KB Output is correct
54 Correct 23 ms 6592 KB Output is correct
55 Correct 34 ms 5516 KB Output is correct