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Submission #882740

# Submission time Handle Problem Language Result Execution time Memory
882740 2023-12-03T14:54:59 Z Aong Global Warming (CEOI18_glo) C++14
100 / 100
 52 ms 5460 KB 
#include <bits/stdc++.h>
using namespace std;
#define sp(x) fixed << setprecision(x) 
#define endl '\n'
#define all(sord) sord.begin(),sord.end() 
#define pii pair<int,int>
#define f first
#define s second
#define pb push_back
#define ll long long
int a[200010],lisend[200010];
int main(){
    cin.tie(nullptr)->sync_with_stdio(0);
    int n,x,idx,cnt=0,lis=0;
    cin >> n >> x;
    for(int i=0;i<n;i++){
        cin >> a[i];
    }
    vector<int> dp(n,INT_MAX);
    for(int i=0;i<n;i++){
        idx = lower_bound(dp.begin(),dp.end(),a[i]) - dp.begin();
        if(idx == cnt) cnt++;
        dp[idx] = a[i];
        lisend[i] = idx+1;
        lis = max(lis,lisend[i]);
    }
    dp = vector<int>(n,INT_MAX);
    for(int i = n;i>=0;i--){
        idx = lower_bound(dp.begin(),dp.end(), -1 * a[i] + x) - dp.begin();
        lis = max(lisend[i] + idx, lis );
        idx = lower_bound(dp.begin(),dp.end(), -1 * a[i]) - dp.begin();
        dp[idx] =  -1 * a[i];
    }
    cout << lis;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 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 0 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 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 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 0 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 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 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 472 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 472 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 352 KB Output is correct
25 Correct 1 ms 464 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 51 ms 5284 KB Output is correct
2 Correct 48 ms 5412 KB Output is correct
3 Correct 49 ms 5400 KB Output is correct
4 Correct 52 ms 5456 KB Output is correct
5 Correct 37 ms 4500 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1628 KB Output is correct
2 Correct 11 ms 1628 KB Output is correct
3 Correct 11 ms 1628 KB Output is correct
4 Correct 10 ms 1372 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 9 ms 1444 KB Output is correct
7 Correct 9 ms 1620 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2964 KB Output is correct
2 Correct 21 ms 2908 KB Output is correct
3 Correct 42 ms 5460 KB Output is correct
4 Correct 35 ms 4748 KB Output is correct
5 Correct 18 ms 2392 KB Output is correct
6 Correct 34 ms 4580 KB Output is correct
7 Correct 32 ms 5256 KB Output is correct
8 Correct 20 ms 2944 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 0 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 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 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 472 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 472 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 352 KB Output is correct
25 Correct 1 ms 464 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 51 ms 5284 KB Output is correct
28 Correct 48 ms 5412 KB Output is correct
29 Correct 49 ms 5400 KB Output is correct
30 Correct 52 ms 5456 KB Output is correct
31 Correct 37 ms 4500 KB Output is correct
32 Correct 12 ms 1628 KB Output is correct
33 Correct 11 ms 1628 KB Output is correct
34 Correct 11 ms 1628 KB Output is correct
35 Correct 10 ms 1372 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 9 ms 1444 KB Output is correct
38 Correct 9 ms 1620 KB Output is correct
39 Correct 21 ms 2964 KB Output is correct
40 Correct 21 ms 2908 KB Output is correct
41 Correct 42 ms 5460 KB Output is correct
42 Correct 35 ms 4748 KB Output is correct
43 Correct 18 ms 2392 KB Output is correct
44 Correct 34 ms 4580 KB Output is correct
45 Correct 32 ms 5256 KB Output is correct
46 Correct 20 ms 2944 KB Output is correct
47 Correct 25 ms 2908 KB Output is correct
48 Correct 23 ms 2828 KB Output is correct
49 Correct 49 ms 5456 KB Output is correct
50 Correct 36 ms 4620 KB Output is correct
51 Correct 27 ms 3636 KB Output is correct
52 Correct 36 ms 4700 KB Output is correct
53 Correct 30 ms 4800 KB Output is correct
54 Correct 35 ms 5368 KB Output is correct
55 Correct 41 ms 5460 KB Output is correct