// In the name of God
// Hope is last to die
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define pb push_back
// #define int long long
#define S second
#define F first
#define mp make_pair
#define smax(x, y) (x) = max((x), (y))
#define smin(x, y) (x) = min((x), (y))
#define all(x) (x).begin(), (x).end()
#define len(x) ((int)(x).size())
const int maxn = 2e5 + 5;
const int inf = 1e9 + 7;
int n, d, a[maxn], dpl[maxn], dpr[maxn];
vector<int> vec;
int32_t main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> d;
for(int i = 1; i <= n; i++){
cin >> a[i];
int it = lower_bound(all(vec), a[i]) - vec.begin();
if(it == vec.size()) vec.pb(a[i]);
else vec[it] = a[i];
dpl[i] = it + 1;
a[i] *= -1;
}
vec.clear();
reverse(a + 1, a + n + 1);
for(int i = 1; i <= n; i++){
int it = lower_bound(all(vec), a[i] + d) - vec.begin();
dpr[n - i + 1] = it + 1;
it = lower_bound(all(vec), a[i]) - vec.begin();
if(it == vec.size()) vec.pb(a[i]);
else vec[it] = a[i];
}
int ans = 0;
for(int i = 1; i <= n; i++) smax(ans, dpl[i] + dpr[i] - 1);
cout << ans << '\n';
return 0;
}
Compilation message
glo.cpp: In function 'int32_t main()':
glo.cpp:35:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | if(it == vec.size()) vec.pb(a[i]);
| ~~~^~~~~~~~~~~~~
glo.cpp:46:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | if(it == vec.size()) vec.pb(a[i]);
| ~~~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
2 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2392 KB |
Output is correct |
5 |
Correct |
1 ms |
2508 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2516 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
2 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2392 KB |
Output is correct |
5 |
Correct |
1 ms |
2508 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2516 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2504 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
2 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2392 KB |
Output is correct |
5 |
Correct |
1 ms |
2508 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2516 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2504 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2392 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
44 ms |
4824 KB |
Output is correct |
2 |
Correct |
44 ms |
4560 KB |
Output is correct |
3 |
Correct |
45 ms |
4692 KB |
Output is correct |
4 |
Correct |
44 ms |
4532 KB |
Output is correct |
5 |
Correct |
26 ms |
4316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
3164 KB |
Output is correct |
2 |
Correct |
10 ms |
3164 KB |
Output is correct |
3 |
Correct |
11 ms |
3164 KB |
Output is correct |
4 |
Correct |
6 ms |
3624 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
5 ms |
3164 KB |
Output is correct |
7 |
Correct |
8 ms |
3164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
3480 KB |
Output is correct |
2 |
Correct |
18 ms |
3420 KB |
Output is correct |
3 |
Correct |
37 ms |
4684 KB |
Output is correct |
4 |
Correct |
22 ms |
4316 KB |
Output is correct |
5 |
Correct |
11 ms |
3552 KB |
Output is correct |
6 |
Correct |
19 ms |
4316 KB |
Output is correct |
7 |
Correct |
26 ms |
5068 KB |
Output is correct |
8 |
Correct |
16 ms |
3532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
2 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2392 KB |
Output is correct |
5 |
Correct |
1 ms |
2508 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2516 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2504 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2392 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
44 ms |
4824 KB |
Output is correct |
28 |
Correct |
44 ms |
4560 KB |
Output is correct |
29 |
Correct |
45 ms |
4692 KB |
Output is correct |
30 |
Correct |
44 ms |
4532 KB |
Output is correct |
31 |
Correct |
26 ms |
4316 KB |
Output is correct |
32 |
Correct |
11 ms |
3164 KB |
Output is correct |
33 |
Correct |
10 ms |
3164 KB |
Output is correct |
34 |
Correct |
11 ms |
3164 KB |
Output is correct |
35 |
Correct |
6 ms |
3624 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
5 ms |
3164 KB |
Output is correct |
38 |
Correct |
8 ms |
3164 KB |
Output is correct |
39 |
Correct |
19 ms |
3480 KB |
Output is correct |
40 |
Correct |
18 ms |
3420 KB |
Output is correct |
41 |
Correct |
37 ms |
4684 KB |
Output is correct |
42 |
Correct |
22 ms |
4316 KB |
Output is correct |
43 |
Correct |
11 ms |
3552 KB |
Output is correct |
44 |
Correct |
19 ms |
4316 KB |
Output is correct |
45 |
Correct |
26 ms |
5068 KB |
Output is correct |
46 |
Correct |
16 ms |
3532 KB |
Output is correct |
47 |
Correct |
21 ms |
3660 KB |
Output is correct |
48 |
Correct |
22 ms |
3420 KB |
Output is correct |
49 |
Correct |
44 ms |
4668 KB |
Output is correct |
50 |
Correct |
22 ms |
4316 KB |
Output is correct |
51 |
Correct |
20 ms |
4056 KB |
Output is correct |
52 |
Correct |
23 ms |
4572 KB |
Output is correct |
53 |
Correct |
20 ms |
4696 KB |
Output is correct |
54 |
Correct |
23 ms |
5292 KB |
Output is correct |
55 |
Correct |
35 ms |
4692 KB |
Output is correct |