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Submission #163005

# Submission time Handle Problem Language Result Execution time Memory
163005 2019-11-10T19:25:49 Z alishahali1382 Global Warming (CEOI18_glo) C++14
100 / 100
 64 ms 7048 KB 
#include <bits/stdc++.h>
#if defined(__GNUC__)
#pragma GCC optimize ("Ofast")
#endif
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<ll, ll> pll;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;
#define all(x) x.begin(), x.end()
#define pb push_back
#define kill(x) return cout<<x<<'\n', 0;

const ld eps=1e-7;
const int inf=2000000010;
const ll INF=10000000000000010LL;
const int mod = 1000000007;
const int MAXN = 200010, LOG=20;

int n, m, k, u, v, x, y, t, a, b, ans;
ll A[MAXN];
ll dp1[MAXN]; 
ll dp2[MAXN];

int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	cin>>n>>x;
	for (int i=1; i<=n; i++) cin>>A[i];
	memset(dp1, 31, sizeof(dp1));
	memset(dp2, 31, sizeof(dp2));
	dp1[0]=dp2[0]=-inf;
	for (int i=1; i<=n; i++){
		int lis=lower_bound(dp2, dp2+MAXN, A[i])-dp2;
		dp2[lis]=min(dp2[lis], A[i]);
		ans=max(ans, lis);
		
		lis=lower_bound(dp1, dp1+MAXN, A[i]-x)-dp1;
		dp1[lis]=min(dp1[lis], A[i]-x);
		dp2[lis]=min(dp2[lis], A[i]-x);
		ans=max(ans, lis);
	}
	
	cout<<ans<<'\n';
	
	return 0;
}
/*
      ___           ___                            ___           ___           ___           ___           ___           ___
     /\  \         /\__\      ___                 /\  \         /\__\         /\  \         /\__\         /\  \         /\__\      ___
    /::\  \       /:/  /     /\  \               /::\  \       /:/  /        /::\  \       /:/  /        /::\  \       /:/  /     /\  \
   /:/\:\  \     /:/  /      \:\  \             /:/\ \  \     /:/__/        /:/\:\  \     /:/__/        /:/\:\  \     /:/  /      \:\  \
  /::\~\:\  \   /:/  /       /::\__\           _\:\~\ \  \   /::\  \ ___   /::\~\:\  \   /::\  \ ___   /::\~\:\  \   /:/  /       /::\__\
 /:/\:\ \:\__\ /:/__/     __/:/\/__/          /\ \:\ \ \__\ /:/\:\  /\__\ /:/\:\ \:\__\ /:/\:\  /\__\ /:/\:\ \:\__\ /:/__/     __/:/\/__/
 \/__\:\/:/  / \:\  \    /\/:/  /             \:\ \:\ \/__/ \/__\:\/:/  / \/__\:\/:/  / \/__\:\/:/  / \/__\:\/:/  / \:\  \    /\/:/  /
      \::/  /   \:\  \   \::/__/               \:\ \:\__\        \::/  /       \::/  /       \::/  /       \::/  /   \:\  \   \::/__/
      /:/  /     \:\  \   \:\__\                \:\/:/  /        /:/  /        /:/  /        /:/  /        /:/  /     \:\  \   \:\__\
     /:/  /       \:\__\   \/__/                 \::/  /        /:/  /        /:/  /        /:/  /        /:/  /       \:\__\   \/__/
     \/__/         \/__/                          \/__/         \/__/         \/__/         \/__/         \/__/         \/__/
*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3448 KB Output is correct
2 Correct 5 ms 3448 KB Output is correct
3 Correct 4 ms 3448 KB Output is correct
4 Correct 5 ms 3448 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 5 ms 3448 KB Output is correct
7 Correct 4 ms 3448 KB Output is correct
8 Correct 5 ms 3448 KB Output is correct
9 Correct 4 ms 3452 KB Output is correct
10 Correct 5 ms 3448 KB Output is correct
11 Correct 4 ms 3448 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3448 KB Output is correct
2 Correct 5 ms 3448 KB Output is correct
3 Correct 4 ms 3448 KB Output is correct
4 Correct 5 ms 3448 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 5 ms 3448 KB Output is correct
7 Correct 4 ms 3448 KB Output is correct
8 Correct 5 ms 3448 KB Output is correct
9 Correct 4 ms 3452 KB Output is correct
10 Correct 5 ms 3448 KB Output is correct
11 Correct 4 ms 3448 KB Output is correct
12 Correct 5 ms 3448 KB Output is correct
13 Correct 4 ms 3448 KB Output is correct
14 Correct 4 ms 3448 KB Output is correct
15 Correct 4 ms 3448 KB Output is correct
16 Correct 5 ms 3448 KB Output is correct
17 Correct 5 ms 3448 KB Output is correct
18 Correct 5 ms 3448 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3448 KB Output is correct
2 Correct 5 ms 3448 KB Output is correct
3 Correct 4 ms 3448 KB Output is correct
4 Correct 5 ms 3448 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 5 ms 3448 KB Output is correct
7 Correct 4 ms 3448 KB Output is correct
8 Correct 5 ms 3448 KB Output is correct
9 Correct 4 ms 3452 KB Output is correct
10 Correct 5 ms 3448 KB Output is correct
11 Correct 4 ms 3448 KB Output is correct
12 Correct 5 ms 3448 KB Output is correct
13 Correct 4 ms 3448 KB Output is correct
14 Correct 4 ms 3448 KB Output is correct
15 Correct 4 ms 3448 KB Output is correct
16 Correct 5 ms 3448 KB Output is correct
17 Correct 5 ms 3448 KB Output is correct
18 Correct 5 ms 3448 KB Output is correct
19 Correct 5 ms 3448 KB Output is correct
20 Correct 5 ms 3448 KB Output is correct
21 Correct 5 ms 3576 KB Output is correct
22 Correct 5 ms 3448 KB Output is correct
23 Correct 5 ms 3448 KB Output is correct
24 Correct 5 ms 3576 KB Output is correct
25 Correct 5 ms 3448 KB Output is correct
26 Correct 5 ms 3448 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 7036 KB Output is correct
2 Correct 61 ms 6904 KB Output is correct
3 Correct 62 ms 6976 KB Output is correct
4 Correct 62 ms 6904 KB Output is correct
5 Correct 44 ms 6136 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4344 KB Output is correct
2 Correct 18 ms 4348 KB Output is correct
3 Correct 18 ms 4348 KB Output is correct
4 Correct 15 ms 4220 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 15 ms 4216 KB Output is correct
7 Correct 16 ms 4408 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 5368 KB Output is correct
2 Correct 32 ms 5240 KB Output is correct
3 Correct 62 ms 6904 KB Output is correct
4 Correct 49 ms 6264 KB Output is correct
5 Correct 26 ms 4856 KB Output is correct
6 Correct 45 ms 6136 KB Output is correct
7 Correct 48 ms 6776 KB Output is correct
8 Correct 29 ms 5284 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3448 KB Output is correct
2 Correct 5 ms 3448 KB Output is correct
3 Correct 4 ms 3448 KB Output is correct
4 Correct 5 ms 3448 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 5 ms 3448 KB Output is correct
7 Correct 4 ms 3448 KB Output is correct
8 Correct 5 ms 3448 KB Output is correct
9 Correct 4 ms 3452 KB Output is correct
10 Correct 5 ms 3448 KB Output is correct
11 Correct 4 ms 3448 KB Output is correct
12 Correct 5 ms 3448 KB Output is correct
13 Correct 4 ms 3448 KB Output is correct
14 Correct 4 ms 3448 KB Output is correct
15 Correct 4 ms 3448 KB Output is correct
16 Correct 5 ms 3448 KB Output is correct
17 Correct 5 ms 3448 KB Output is correct
18 Correct 5 ms 3448 KB Output is correct
19 Correct 5 ms 3448 KB Output is correct
20 Correct 5 ms 3448 KB Output is correct
21 Correct 5 ms 3576 KB Output is correct
22 Correct 5 ms 3448 KB Output is correct
23 Correct 5 ms 3448 KB Output is correct
24 Correct 5 ms 3576 KB Output is correct
25 Correct 5 ms 3448 KB Output is correct
26 Correct 5 ms 3448 KB Output is correct
27 Correct 61 ms 7036 KB Output is correct
28 Correct 61 ms 6904 KB Output is correct
29 Correct 62 ms 6976 KB Output is correct
30 Correct 62 ms 6904 KB Output is correct
31 Correct 44 ms 6136 KB Output is correct
32 Correct 18 ms 4344 KB Output is correct
33 Correct 18 ms 4348 KB Output is correct
34 Correct 18 ms 4348 KB Output is correct
35 Correct 15 ms 4220 KB Output is correct
36 Correct 5 ms 3448 KB Output is correct
37 Correct 15 ms 4216 KB Output is correct
38 Correct 16 ms 4408 KB Output is correct
39 Correct 32 ms 5368 KB Output is correct
40 Correct 32 ms 5240 KB Output is correct
41 Correct 62 ms 6904 KB Output is correct
42 Correct 49 ms 6264 KB Output is correct
43 Correct 26 ms 4856 KB Output is correct
44 Correct 45 ms 6136 KB Output is correct
45 Correct 48 ms 6776 KB Output is correct
46 Correct 29 ms 5284 KB Output is correct
47 Correct 32 ms 5268 KB Output is correct
48 Correct 32 ms 5240 KB Output is correct
49 Correct 64 ms 7004 KB Output is correct
50 Correct 44 ms 6208 KB Output is correct
51 Correct 42 ms 5496 KB Output is correct
52 Correct 49 ms 6228 KB Output is correct
53 Correct 44 ms 6344 KB Output is correct
54 Correct 51 ms 7028 KB Output is correct
55 Correct 54 ms 7048 KB Output is correct