#include <bits/stdc++.h>
//#include "bits_stdc++.h"
#define f first
#define s second
#define mp make_pair
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl;
#define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl;
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ld, ll> pd;
typedef pair<string, ll> psl;
typedef pair<ll, ll> pi;
typedef pair<ll, pi> pii;
int main()
{
ll n,x;
cin >> n >> x;
ll arr[n], right[n];
vector<ll> lis;
for (ll i=0; i<n; ++i) cin >> arr[i];
for (ll i=n-1; i>=0; --i)
{
ll ind = lb(lis.begin(), lis.end(), -arr[i])-lis.begin();
if (ind>=lis.size())
{
lis.pb(-arr[i]);
}
else
{
lis[ind] = -arr[i];
}
right[i] = ind;
}
ll ans = 0;
lis.resize(0);
for (ll i=0; i<n; ++i)
{
ll left = lb(lis.begin(), lis.end(), arr[i]+x) -lis.begin();
ans = max(ans, left + right[i] + 1);
ll ind = lb(lis.begin(), lis.end(), arr[i]) -lis.begin();
if (ind>=lis.size()) lis.pb(arr[i]);
else lis[ind] = arr[i];
}
cout << ans << endl;
return 0;
}
Compilation message
glo.cpp: In function 'int main()':
glo.cpp:31:10: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | if (ind>=lis.size())
| ~~~^~~~~~~~~~~~
glo.cpp:48:10: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
48 | if (ind>=lis.size()) lis.pb(arr[i]);
| ~~~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
688 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
84 ms |
5448 KB |
Output is correct |
2 |
Correct |
88 ms |
5480 KB |
Output is correct |
3 |
Correct |
84 ms |
5456 KB |
Output is correct |
4 |
Correct |
89 ms |
5448 KB |
Output is correct |
5 |
Correct |
50 ms |
5848 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
28 ms |
1740 KB |
Output is correct |
2 |
Correct |
20 ms |
1628 KB |
Output is correct |
3 |
Correct |
23 ms |
1624 KB |
Output is correct |
4 |
Correct |
13 ms |
1880 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
12 ms |
1840 KB |
Output is correct |
7 |
Correct |
19 ms |
1628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
42 ms |
2904 KB |
Output is correct |
2 |
Correct |
46 ms |
3000 KB |
Output is correct |
3 |
Correct |
77 ms |
5456 KB |
Output is correct |
4 |
Correct |
50 ms |
5700 KB |
Output is correct |
5 |
Correct |
26 ms |
3028 KB |
Output is correct |
6 |
Correct |
49 ms |
5580 KB |
Output is correct |
7 |
Correct |
59 ms |
6220 KB |
Output is correct |
8 |
Correct |
40 ms |
2864 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
688 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
84 ms |
5448 KB |
Output is correct |
28 |
Correct |
88 ms |
5480 KB |
Output is correct |
29 |
Correct |
84 ms |
5456 KB |
Output is correct |
30 |
Correct |
89 ms |
5448 KB |
Output is correct |
31 |
Correct |
50 ms |
5848 KB |
Output is correct |
32 |
Correct |
28 ms |
1740 KB |
Output is correct |
33 |
Correct |
20 ms |
1628 KB |
Output is correct |
34 |
Correct |
23 ms |
1624 KB |
Output is correct |
35 |
Correct |
13 ms |
1880 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
12 ms |
1840 KB |
Output is correct |
38 |
Correct |
19 ms |
1628 KB |
Output is correct |
39 |
Correct |
42 ms |
2904 KB |
Output is correct |
40 |
Correct |
46 ms |
3000 KB |
Output is correct |
41 |
Correct |
77 ms |
5456 KB |
Output is correct |
42 |
Correct |
50 ms |
5700 KB |
Output is correct |
43 |
Correct |
26 ms |
3028 KB |
Output is correct |
44 |
Correct |
49 ms |
5580 KB |
Output is correct |
45 |
Correct |
59 ms |
6220 KB |
Output is correct |
46 |
Correct |
40 ms |
2864 KB |
Output is correct |
47 |
Correct |
42 ms |
2736 KB |
Output is correct |
48 |
Correct |
42 ms |
3156 KB |
Output is correct |
49 |
Correct |
87 ms |
5456 KB |
Output is correct |
50 |
Correct |
59 ms |
5708 KB |
Output is correct |
51 |
Correct |
40 ms |
4556 KB |
Output is correct |
52 |
Correct |
52 ms |
5832 KB |
Output is correct |
53 |
Correct |
50 ms |
5948 KB |
Output is correct |
54 |
Correct |
63 ms |
6604 KB |
Output is correct |
55 |
Correct |
75 ms |
5460 KB |
Output is correct |