#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e5 + 10;
int n, x;
int arr[MAXN], sz[MAXN];
vector<int> lis;
int
main()
{
ios_base::sync_with_stdio(false); cin.tie(NULL);
cin >> n >> x;
for(int i = 0; i < n; i++)
cin >> arr[i];
for(int i = n - 1; i >= 0; i--)
{
int l = 0, r = lis.size() - 1;
while(l <= r)
{
int t = (l + r) >> 1;
if(lis[t] > arr[i]) l = t + 1;
else r = t - 1;
}
if(l == lis.size()) lis.push_back(arr[i]), sz[i] = lis.size();
else lis[l] = arr[i], sz[i] = l + 1;
}
lis.clear();
int ans = 0;
for(int i = 0; i < n; i++)
{
ans = max(ans, sz[i] + int(lower_bound(begin(lis), end(lis), arr[i] + x) - begin(lis)));
auto it = lower_bound(begin(lis), end(lis), arr[i]);
if(it == end(lis)) lis.push_back(arr[i]);
else *it = arr[i];
}
cout << ans << "\n";
return 0;
}
Compilation message
glo.cpp: In function 'int main()':
glo.cpp:30:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | if(l == lis.size()) lis.push_back(arr[i]), sz[i] = lis.size();
| ~~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
324 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
324 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
49 ms |
3804 KB |
Output is correct |
2 |
Correct |
49 ms |
3796 KB |
Output is correct |
3 |
Correct |
53 ms |
3788 KB |
Output is correct |
4 |
Correct |
51 ms |
3804 KB |
Output is correct |
5 |
Correct |
27 ms |
3532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
1108 KB |
Output is correct |
2 |
Correct |
12 ms |
1128 KB |
Output is correct |
3 |
Correct |
12 ms |
1108 KB |
Output is correct |
4 |
Correct |
7 ms |
1136 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
11 ms |
1140 KB |
Output is correct |
7 |
Correct |
13 ms |
1108 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
2148 KB |
Output is correct |
2 |
Correct |
22 ms |
1960 KB |
Output is correct |
3 |
Correct |
43 ms |
3740 KB |
Output is correct |
4 |
Correct |
27 ms |
3580 KB |
Output is correct |
5 |
Correct |
13 ms |
2008 KB |
Output is correct |
6 |
Correct |
23 ms |
3464 KB |
Output is correct |
7 |
Correct |
30 ms |
4104 KB |
Output is correct |
8 |
Correct |
18 ms |
1964 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
324 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
49 ms |
3804 KB |
Output is correct |
28 |
Correct |
49 ms |
3796 KB |
Output is correct |
29 |
Correct |
53 ms |
3788 KB |
Output is correct |
30 |
Correct |
51 ms |
3804 KB |
Output is correct |
31 |
Correct |
27 ms |
3532 KB |
Output is correct |
32 |
Correct |
11 ms |
1108 KB |
Output is correct |
33 |
Correct |
12 ms |
1128 KB |
Output is correct |
34 |
Correct |
12 ms |
1108 KB |
Output is correct |
35 |
Correct |
7 ms |
1136 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
11 ms |
1140 KB |
Output is correct |
38 |
Correct |
13 ms |
1108 KB |
Output is correct |
39 |
Correct |
24 ms |
2148 KB |
Output is correct |
40 |
Correct |
22 ms |
1960 KB |
Output is correct |
41 |
Correct |
43 ms |
3740 KB |
Output is correct |
42 |
Correct |
27 ms |
3580 KB |
Output is correct |
43 |
Correct |
13 ms |
2008 KB |
Output is correct |
44 |
Correct |
23 ms |
3464 KB |
Output is correct |
45 |
Correct |
30 ms |
4104 KB |
Output is correct |
46 |
Correct |
18 ms |
1964 KB |
Output is correct |
47 |
Correct |
29 ms |
1996 KB |
Output is correct |
48 |
Correct |
25 ms |
2024 KB |
Output is correct |
49 |
Correct |
52 ms |
3800 KB |
Output is correct |
50 |
Correct |
27 ms |
3524 KB |
Output is correct |
51 |
Correct |
23 ms |
2764 KB |
Output is correct |
52 |
Correct |
31 ms |
3632 KB |
Output is correct |
53 |
Correct |
27 ms |
3660 KB |
Output is correct |
54 |
Correct |
30 ms |
4312 KB |
Output is correct |
55 |
Correct |
40 ms |
3760 KB |
Output is correct |