#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define rep(i,a,b) for(int i = (a); i <= (b); i++)
#define repa(i,a,b) for(int i = (a); i >= (b); i--)
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "
#define MAX 200000
#define LIM 2000000000
#define alt first
#define val second
lli n,x,res,a,num;
lli arr[MAX+2] , elevados[MAX+2];
set<pair<lli,lli> > lis;
set<pair<lli,lli> >::iterator it,pas;
bool gf;
void LIS(lli act,lli pos) {
pair<lli,lli> nuevo;
if (lis.empty()) lis.insert({act,1ll});
else {
it = lis.lower_bound({act,0});
if (it == lis.begin()) nuevo = {act,1};
else {
it--;
nuevo = {act, (*it).val + 1};
}
it++;
while (true) {
if (it == lis.end()) break;
if ( (*it).val > nuevo.val) break;
pas = it;
it++;
lis.erase(pas);
}
lis.insert({nuevo});
}
}
void LISa(lli act,lli pos) {
pair<lli,lli> nuevo;
if (lis.empty()) {
lis.insert({act,1});
elevados[pos] = 1;
}
else {
it = lis.upper_bound({act,LIM+2});
if (it == lis.end()) nuevo = {act,1};
else nuevo = {act, (*it).val + 1};
if (it != lis.begin()){
it--;
lis.erase(it);
}
lis.insert(nuevo);
elevados[pos] = nuevo.val;
}
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
//leer
cin >> n >> x;
rep(i,1,n) cin >> arr[i];
// LIS al reves y asignar valores a cada i
repa(i,n,1) LISa(arr[i],i);
// lis hacia enfrente, checar primero y luego agregar al LIS
lis.clear();
rep(i,1,n) {
num = arr[i] + x;
if (i > 1) {
it = lis.upper_bound({num-1,LIM+2});
if (it != lis.begin()) {
it--;
a = (*it).val;
}
else a = 0;
}
else a = 0;
a += elevados[i];
if (a > res) res = a;
LIS(arr[i],i);
}
//Imprimir
cout << res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 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 |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 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 |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 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 |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
104 ms |
3500 KB |
Output is correct |
2 |
Correct |
101 ms |
3476 KB |
Output is correct |
3 |
Correct |
102 ms |
3480 KB |
Output is correct |
4 |
Correct |
102 ms |
3396 KB |
Output is correct |
5 |
Correct |
97 ms |
9660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
1172 KB |
Output is correct |
2 |
Correct |
25 ms |
1136 KB |
Output is correct |
3 |
Correct |
24 ms |
1100 KB |
Output is correct |
4 |
Correct |
21 ms |
2604 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
21 ms |
2676 KB |
Output is correct |
7 |
Correct |
19 ms |
1100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
1836 KB |
Output is correct |
2 |
Correct |
45 ms |
1868 KB |
Output is correct |
3 |
Correct |
94 ms |
3444 KB |
Output is correct |
4 |
Correct |
108 ms |
9652 KB |
Output is correct |
5 |
Correct |
47 ms |
4996 KB |
Output is correct |
6 |
Correct |
98 ms |
9204 KB |
Output is correct |
7 |
Correct |
91 ms |
9188 KB |
Output is correct |
8 |
Correct |
36 ms |
1788 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 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 |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
104 ms |
3500 KB |
Output is correct |
28 |
Correct |
101 ms |
3476 KB |
Output is correct |
29 |
Correct |
102 ms |
3480 KB |
Output is correct |
30 |
Correct |
102 ms |
3396 KB |
Output is correct |
31 |
Correct |
97 ms |
9660 KB |
Output is correct |
32 |
Correct |
24 ms |
1172 KB |
Output is correct |
33 |
Correct |
25 ms |
1136 KB |
Output is correct |
34 |
Correct |
24 ms |
1100 KB |
Output is correct |
35 |
Correct |
21 ms |
2604 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
21 ms |
2676 KB |
Output is correct |
38 |
Correct |
19 ms |
1100 KB |
Output is correct |
39 |
Correct |
45 ms |
1836 KB |
Output is correct |
40 |
Correct |
45 ms |
1868 KB |
Output is correct |
41 |
Correct |
94 ms |
3444 KB |
Output is correct |
42 |
Correct |
108 ms |
9652 KB |
Output is correct |
43 |
Correct |
47 ms |
4996 KB |
Output is correct |
44 |
Correct |
98 ms |
9204 KB |
Output is correct |
45 |
Correct |
91 ms |
9188 KB |
Output is correct |
46 |
Correct |
36 ms |
1788 KB |
Output is correct |
47 |
Correct |
51 ms |
2056 KB |
Output is correct |
48 |
Correct |
51 ms |
1956 KB |
Output is correct |
49 |
Correct |
106 ms |
3556 KB |
Output is correct |
50 |
Correct |
100 ms |
9724 KB |
Output is correct |
51 |
Correct |
102 ms |
9008 KB |
Output is correct |
52 |
Correct |
100 ms |
9732 KB |
Output is correct |
53 |
Correct |
114 ms |
9780 KB |
Output is correct |
54 |
Correct |
96 ms |
9796 KB |
Output is correct |
55 |
Correct |
82 ms |
3552 KB |
Output is correct |