/*
File created on 06/19/2021 at 18:39:52.
Link to problem: https://oj.uz/problem/view/CEOI18_glo
Description:
Time complexity: O()
Space complexity: O()
Status: DEV
Copyright: Ⓒ 2021 Francois Vogel
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <functional>
using namespace std;
using namespace __gnu_pbds;
#define pii pair<int, int>
#define f first
#define s second
#define pb push_back
#define ins insert
#define cls clear
#define int ll
#define ll long long
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int inf = 1e18;
signed main() {
cin.tie(0);
// ios_base::sync_with_stdio(0);
int n, x;
cin >> n >> x;
int b [n];
for (int i = 0; i < n; i++) cin >> b[i];
vector<int> dp(n, inf);
int mxv = 0;
int lp [n];
for (int i = 0; i < n; i++) {
int j = lower_bound(dp.begin(), dp.end(), b[i])-dp.begin();
lp[i] = j+1;
mxv = max(mxv, lp[i]);
dp[j] = b[i];
}
for (int i = 0; i < n; i++) b[i] *= -1;
dp = vector<int>(n, inf);
for (int i = n-1; i >= 0; i--) {
int useful = lower_bound(dp.begin(), dp.end(), b[i]+x)-dp.begin();
mxv = max(mxv, lp[i]+useful);
int j = lower_bound(dp.begin(), dp.end(), b[i])-dp.begin();
dp[j] = b[i];
}
cout << mxv;
int d = 0;
d++;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
292 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
288 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
292 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
288 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
292 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
292 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
288 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
292 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
296 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
292 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
288 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
121 ms |
6436 KB |
Output is correct |
2 |
Correct |
125 ms |
8464 KB |
Output is correct |
3 |
Correct |
118 ms |
8356 KB |
Output is correct |
4 |
Correct |
118 ms |
8344 KB |
Output is correct |
5 |
Correct |
82 ms |
7588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
40 ms |
1732 KB |
Output is correct |
2 |
Correct |
32 ms |
2304 KB |
Output is correct |
3 |
Correct |
30 ms |
2332 KB |
Output is correct |
4 |
Correct |
21 ms |
2120 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
22 ms |
2116 KB |
Output is correct |
7 |
Correct |
27 ms |
2252 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
56 ms |
3360 KB |
Output is correct |
2 |
Correct |
73 ms |
4296 KB |
Output is correct |
3 |
Correct |
113 ms |
8472 KB |
Output is correct |
4 |
Correct |
83 ms |
7716 KB |
Output is correct |
5 |
Correct |
43 ms |
3932 KB |
Output is correct |
6 |
Correct |
77 ms |
7388 KB |
Output is correct |
7 |
Correct |
99 ms |
8020 KB |
Output is correct |
8 |
Correct |
52 ms |
4376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
292 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
288 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
292 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
296 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
292 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
288 KB |
Output is correct |
27 |
Correct |
121 ms |
6436 KB |
Output is correct |
28 |
Correct |
125 ms |
8464 KB |
Output is correct |
29 |
Correct |
118 ms |
8356 KB |
Output is correct |
30 |
Correct |
118 ms |
8344 KB |
Output is correct |
31 |
Correct |
82 ms |
7588 KB |
Output is correct |
32 |
Correct |
40 ms |
1732 KB |
Output is correct |
33 |
Correct |
32 ms |
2304 KB |
Output is correct |
34 |
Correct |
30 ms |
2332 KB |
Output is correct |
35 |
Correct |
21 ms |
2120 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
22 ms |
2116 KB |
Output is correct |
38 |
Correct |
27 ms |
2252 KB |
Output is correct |
39 |
Correct |
56 ms |
3360 KB |
Output is correct |
40 |
Correct |
73 ms |
4296 KB |
Output is correct |
41 |
Correct |
113 ms |
8472 KB |
Output is correct |
42 |
Correct |
83 ms |
7716 KB |
Output is correct |
43 |
Correct |
43 ms |
3932 KB |
Output is correct |
44 |
Correct |
77 ms |
7388 KB |
Output is correct |
45 |
Correct |
99 ms |
8020 KB |
Output is correct |
46 |
Correct |
52 ms |
4376 KB |
Output is correct |
47 |
Correct |
61 ms |
4364 KB |
Output is correct |
48 |
Correct |
58 ms |
4368 KB |
Output is correct |
49 |
Correct |
120 ms |
8360 KB |
Output is correct |
50 |
Correct |
81 ms |
7592 KB |
Output is correct |
51 |
Correct |
68 ms |
5792 KB |
Output is correct |
52 |
Correct |
97 ms |
7720 KB |
Output is correct |
53 |
Correct |
83 ms |
7748 KB |
Output is correct |
54 |
Correct |
104 ms |
8472 KB |
Output is correct |
55 |
Correct |
119 ms |
8484 KB |
Output is correct |