/*
* AUTHOR : lo0ker
* Problem : Global warming
* source :
*/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
#define pb push_back
#define all(x) begin(x), end(x)
#define sz(x) (int) (x).size()
const int MOD = 1e9+7;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n;
ll x;
cin >> n >> x;
vector<ll> v(n);
vector<ll> revv(n);
for(int i = 0; i < n; i++){
cin >> v[i];
revv[i] = 0-v[i];
}
vi pre(n, 0);
vi suff(n, 0);
vector<ll> temp(n, INT_MAX);
int ans = 0;
for(int i = 0; i < n; i++){
int idx = lower_bound(temp.begin(), temp.end(), v[i]) - temp.begin();
temp[idx] = v[i];
pre[i] = idx+1;
ans = max(ans, pre[i]);
}
temp = vector<ll>(n, INT_MAX);
for(int i = n-1; i >= 0; i--){
int idx = lower_bound(temp.begin(), temp.end(), revv[i] + x) - temp.begin();
ans = max(ans, pre[i] + idx);
int in = lower_bound(temp.begin(), temp.end(), revv[i]) - temp.begin();
temp[in] = revv[i];
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
8272 KB |
Output is correct |
2 |
Correct |
46 ms |
8260 KB |
Output is correct |
3 |
Correct |
46 ms |
8264 KB |
Output is correct |
4 |
Correct |
43 ms |
8264 KB |
Output is correct |
5 |
Correct |
34 ms |
8272 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
2384 KB |
Output is correct |
2 |
Correct |
10 ms |
2384 KB |
Output is correct |
3 |
Correct |
11 ms |
2384 KB |
Output is correct |
4 |
Correct |
8 ms |
2384 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
9 ms |
2384 KB |
Output is correct |
7 |
Correct |
9 ms |
2384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
4176 KB |
Output is correct |
2 |
Correct |
25 ms |
4176 KB |
Output is correct |
3 |
Correct |
45 ms |
8272 KB |
Output is correct |
4 |
Correct |
32 ms |
8264 KB |
Output is correct |
5 |
Correct |
16 ms |
4176 KB |
Output is correct |
6 |
Correct |
28 ms |
7760 KB |
Output is correct |
7 |
Correct |
31 ms |
7760 KB |
Output is correct |
8 |
Correct |
18 ms |
4176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
45 ms |
8272 KB |
Output is correct |
28 |
Correct |
46 ms |
8260 KB |
Output is correct |
29 |
Correct |
46 ms |
8264 KB |
Output is correct |
30 |
Correct |
43 ms |
8264 KB |
Output is correct |
31 |
Correct |
34 ms |
8272 KB |
Output is correct |
32 |
Correct |
11 ms |
2384 KB |
Output is correct |
33 |
Correct |
10 ms |
2384 KB |
Output is correct |
34 |
Correct |
11 ms |
2384 KB |
Output is correct |
35 |
Correct |
8 ms |
2384 KB |
Output is correct |
36 |
Correct |
1 ms |
336 KB |
Output is correct |
37 |
Correct |
9 ms |
2384 KB |
Output is correct |
38 |
Correct |
9 ms |
2384 KB |
Output is correct |
39 |
Correct |
23 ms |
4176 KB |
Output is correct |
40 |
Correct |
25 ms |
4176 KB |
Output is correct |
41 |
Correct |
45 ms |
8272 KB |
Output is correct |
42 |
Correct |
32 ms |
8264 KB |
Output is correct |
43 |
Correct |
16 ms |
4176 KB |
Output is correct |
44 |
Correct |
28 ms |
7760 KB |
Output is correct |
45 |
Correct |
31 ms |
7760 KB |
Output is correct |
46 |
Correct |
18 ms |
4176 KB |
Output is correct |
47 |
Correct |
21 ms |
4176 KB |
Output is correct |
48 |
Correct |
23 ms |
4176 KB |
Output is correct |
49 |
Correct |
45 ms |
8272 KB |
Output is correct |
50 |
Correct |
32 ms |
8264 KB |
Output is correct |
51 |
Correct |
26 ms |
6144 KB |
Output is correct |
52 |
Correct |
39 ms |
8272 KB |
Output is correct |
53 |
Correct |
29 ms |
8264 KB |
Output is correct |
54 |
Correct |
33 ms |
8272 KB |
Output is correct |
55 |
Correct |
36 ms |
8272 KB |
Output is correct |