#include <iostream>
#include <string>
#include <string.h>
#include <fstream>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <queue>
#include<map>
#include <stack>
#include <unordered_map>
#include <set>
#include <math.h>
#include <cstdlib>
#include <time.h>
#define ll long long
#define For(i, n) for(int i = 0; i < n; ++i)
#define ffor(i, a, n) for(int i = a; i < n; ++i)
#define pb push_back
#define vec vector
#define ff first
#define ss second
#define pairs pair<sui, sui>
#define NEK 1000000000
#define mod 1000000007
#define vel 1000
using namespace std;
typedef unsigned short int sui;
vec<int> lds(vec<int> a, int k) {
vec<int> odp(a.size(), 0);
vec<int> dp;
for (int i = a.size() - 1; i > -1; i--) {
int x1 = lower_bound(dp.begin(), dp.end(), (a[i] - k) * (-1)) - dp.begin();
odp[i] = x1 + 1;
auto x2 = lower_bound(dp.begin(), dp.end(), a[i] * (-1));
if (x2 == dp.end()) {
dp.push_back(a[i] * (-1));
}
else {
*x2 = a[i] * (-1);
}
}
return odp;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
//ifstream cin("cowjog.in");
//ofstream cout("cowjog.out");
int n, x;
cin >> n >> x;
vec<int> a;
For(i, n) {
int x;
cin >> x;
a.push_back(x);
}
vec<int> bc = lds(a, x);
vec<int> dp;
int maxi = 0;
For(i, n) {
a[i] -= x;
int x2 = lower_bound(dp.begin(), dp.end(), a[i]) - dp.begin();
if (x2 == dp.size()) {
dp.push_back(a[i]);
}
else {
dp[x2] = a[i];
}
maxi = max(maxi, x2 + bc[i]);
}
cout << maxi << '\n';
return 0;
}
Compilation message
glo.cpp: In function 'int main()':
glo.cpp:66:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
66 | if (x2 == dp.size()) {
| ~~~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
448 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 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 |
448 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
448 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
720 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
456 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
51 ms |
4816 KB |
Output is correct |
2 |
Correct |
45 ms |
4820 KB |
Output is correct |
3 |
Correct |
46 ms |
4816 KB |
Output is correct |
4 |
Correct |
45 ms |
4812 KB |
Output is correct |
5 |
Correct |
22 ms |
4816 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
1504 KB |
Output is correct |
2 |
Correct |
11 ms |
1504 KB |
Output is correct |
3 |
Correct |
12 ms |
1676 KB |
Output is correct |
4 |
Correct |
6 ms |
1504 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
6 ms |
1504 KB |
Output is correct |
7 |
Correct |
8 ms |
1504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
2644 KB |
Output is correct |
2 |
Correct |
18 ms |
2520 KB |
Output is correct |
3 |
Correct |
38 ms |
4656 KB |
Output is correct |
4 |
Correct |
24 ms |
4832 KB |
Output is correct |
5 |
Correct |
13 ms |
2520 KB |
Output is correct |
6 |
Correct |
19 ms |
4564 KB |
Output is correct |
7 |
Correct |
23 ms |
5328 KB |
Output is correct |
8 |
Correct |
16 ms |
2524 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
448 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
720 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
456 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
51 ms |
4816 KB |
Output is correct |
28 |
Correct |
45 ms |
4820 KB |
Output is correct |
29 |
Correct |
46 ms |
4816 KB |
Output is correct |
30 |
Correct |
45 ms |
4812 KB |
Output is correct |
31 |
Correct |
22 ms |
4816 KB |
Output is correct |
32 |
Correct |
11 ms |
1504 KB |
Output is correct |
33 |
Correct |
11 ms |
1504 KB |
Output is correct |
34 |
Correct |
12 ms |
1676 KB |
Output is correct |
35 |
Correct |
6 ms |
1504 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
6 ms |
1504 KB |
Output is correct |
38 |
Correct |
8 ms |
1504 KB |
Output is correct |
39 |
Correct |
20 ms |
2644 KB |
Output is correct |
40 |
Correct |
18 ms |
2520 KB |
Output is correct |
41 |
Correct |
38 ms |
4656 KB |
Output is correct |
42 |
Correct |
24 ms |
4832 KB |
Output is correct |
43 |
Correct |
13 ms |
2520 KB |
Output is correct |
44 |
Correct |
19 ms |
4564 KB |
Output is correct |
45 |
Correct |
23 ms |
5328 KB |
Output is correct |
46 |
Correct |
16 ms |
2524 KB |
Output is correct |
47 |
Correct |
22 ms |
2524 KB |
Output is correct |
48 |
Correct |
23 ms |
2744 KB |
Output is correct |
49 |
Correct |
47 ms |
4864 KB |
Output is correct |
50 |
Correct |
22 ms |
4820 KB |
Output is correct |
51 |
Correct |
24 ms |
3800 KB |
Output is correct |
52 |
Correct |
25 ms |
5076 KB |
Output is correct |
53 |
Correct |
21 ms |
4728 KB |
Output is correct |
54 |
Correct |
25 ms |
5636 KB |
Output is correct |
55 |
Correct |
35 ms |
4816 KB |
Output is correct |