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Submission #736387

# Submission time Handle Problem Language Result Execution time Memory
736387 2023-05-05T14:24:32 Z study Global Warming (CEOI18_glo) C++17
100 / 100
 63 ms 8624 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

const int N = 2e5, inf = 2e9+1;

int a[N], best[N];

int32_t main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n,d;
    cin >> n >> d;
    for (int i=0; i<n; ++i){
        cin >> a[i];
    }
    vector<int> dp(N,inf);
    for (int i=0; i<n; ++i){
        best[i] = lower_bound(dp.begin(),dp.end(),a[i]+d)-dp.begin()+1;
        int pos = lower_bound(dp.begin(),dp.end(),a[i])-dp.begin();
        dp[pos] = a[i];
    }
    dp = vector<int>(N,inf);
    int ans = 0;
    for (int i=n-1; i>=0; --i){
        int lds = lower_bound(dp.begin(),dp.end(),-a[i]-d)-dp.begin();
        ans = max(ans,best[i]+lds);
        dp[lds] = -a[i]-d;
    }
    cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3400 KB Output is correct
4 Correct 2 ms 3396 KB Output is correct
5 Correct 2 ms 3412 KB Output is correct
6 Correct 2 ms 3412 KB Output is correct
7 Correct 2 ms 3400 KB Output is correct
8 Correct 2 ms 3412 KB Output is correct
9 Correct 2 ms 3412 KB Output is correct
10 Correct 2 ms 3412 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3400 KB Output is correct
4 Correct 2 ms 3396 KB Output is correct
5 Correct 2 ms 3412 KB Output is correct
6 Correct 2 ms 3412 KB Output is correct
7 Correct 2 ms 3400 KB Output is correct
8 Correct 2 ms 3412 KB Output is correct
9 Correct 2 ms 3412 KB Output is correct
10 Correct 2 ms 3412 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct
12 Correct 2 ms 3412 KB Output is correct
13 Correct 2 ms 3412 KB Output is correct
14 Correct 2 ms 3412 KB Output is correct
15 Correct 2 ms 3412 KB Output is correct
16 Correct 2 ms 3412 KB Output is correct
17 Correct 2 ms 3412 KB Output is correct
18 Correct 2 ms 3404 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3400 KB Output is correct
4 Correct 2 ms 3396 KB Output is correct
5 Correct 2 ms 3412 KB Output is correct
6 Correct 2 ms 3412 KB Output is correct
7 Correct 2 ms 3400 KB Output is correct
8 Correct 2 ms 3412 KB Output is correct
9 Correct 2 ms 3412 KB Output is correct
10 Correct 2 ms 3412 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct
12 Correct 2 ms 3412 KB Output is correct
13 Correct 2 ms 3412 KB Output is correct
14 Correct 2 ms 3412 KB Output is correct
15 Correct 2 ms 3412 KB Output is correct
16 Correct 2 ms 3412 KB Output is correct
17 Correct 2 ms 3412 KB Output is correct
18 Correct 2 ms 3404 KB Output is correct
19 Correct 2 ms 3412 KB Output is correct
20 Correct 2 ms 3412 KB Output is correct
21 Correct 2 ms 3412 KB Output is correct
22 Correct 2 ms 3412 KB Output is correct
23 Correct 2 ms 3412 KB Output is correct
24 Correct 2 ms 3412 KB Output is correct
25 Correct 2 ms 3412 KB Output is correct
26 Correct 2 ms 3412 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 8492 KB Output is correct
2 Correct 56 ms 8456 KB Output is correct
3 Correct 52 ms 8412 KB Output is correct
4 Correct 53 ms 8472 KB Output is correct
5 Correct 41 ms 7688 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 4696 KB Output is correct
2 Correct 14 ms 4676 KB Output is correct
3 Correct 14 ms 4692 KB Output is correct
4 Correct 11 ms 4472 KB Output is correct
5 Correct 2 ms 3412 KB Output is correct
6 Correct 11 ms 4436 KB Output is correct
7 Correct 12 ms 4728 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 5944 KB Output is correct
2 Correct 24 ms 5960 KB Output is correct
3 Correct 63 ms 8420 KB Output is correct
4 Correct 42 ms 7620 KB Output is correct
5 Correct 21 ms 5588 KB Output is correct
6 Correct 35 ms 7504 KB Output is correct
7 Correct 39 ms 8252 KB Output is correct
8 Correct 31 ms 5956 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3400 KB Output is correct
4 Correct 2 ms 3396 KB Output is correct
5 Correct 2 ms 3412 KB Output is correct
6 Correct 2 ms 3412 KB Output is correct
7 Correct 2 ms 3400 KB Output is correct
8 Correct 2 ms 3412 KB Output is correct
9 Correct 2 ms 3412 KB Output is correct
10 Correct 2 ms 3412 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct
12 Correct 2 ms 3412 KB Output is correct
13 Correct 2 ms 3412 KB Output is correct
14 Correct 2 ms 3412 KB Output is correct
15 Correct 2 ms 3412 KB Output is correct
16 Correct 2 ms 3412 KB Output is correct
17 Correct 2 ms 3412 KB Output is correct
18 Correct 2 ms 3404 KB Output is correct
19 Correct 2 ms 3412 KB Output is correct
20 Correct 2 ms 3412 KB Output is correct
21 Correct 2 ms 3412 KB Output is correct
22 Correct 2 ms 3412 KB Output is correct
23 Correct 2 ms 3412 KB Output is correct
24 Correct 2 ms 3412 KB Output is correct
25 Correct 2 ms 3412 KB Output is correct
26 Correct 2 ms 3412 KB Output is correct
27 Correct 61 ms 8492 KB Output is correct
28 Correct 56 ms 8456 KB Output is correct
29 Correct 52 ms 8412 KB Output is correct
30 Correct 53 ms 8472 KB Output is correct
31 Correct 41 ms 7688 KB Output is correct
32 Correct 14 ms 4696 KB Output is correct
33 Correct 14 ms 4676 KB Output is correct
34 Correct 14 ms 4692 KB Output is correct
35 Correct 11 ms 4472 KB Output is correct
36 Correct 2 ms 3412 KB Output is correct
37 Correct 11 ms 4436 KB Output is correct
38 Correct 12 ms 4728 KB Output is correct
39 Correct 28 ms 5944 KB Output is correct
40 Correct 24 ms 5960 KB Output is correct
41 Correct 63 ms 8420 KB Output is correct
42 Correct 42 ms 7620 KB Output is correct
43 Correct 21 ms 5588 KB Output is correct
44 Correct 35 ms 7504 KB Output is correct
45 Correct 39 ms 8252 KB Output is correct
46 Correct 31 ms 5956 KB Output is correct
47 Correct 31 ms 5940 KB Output is correct
48 Correct 28 ms 5964 KB Output is correct
49 Correct 55 ms 8624 KB Output is correct
50 Correct 41 ms 7724 KB Output is correct
51 Correct 37 ms 6624 KB Output is correct
52 Correct 44 ms 7804 KB Output is correct
53 Correct 35 ms 7756 KB Output is correct
54 Correct 41 ms 8444 KB Output is correct
55 Correct 47 ms 8428 KB Output is correct