#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cassert>
#include <map>
using namespace std;
using ll = long long;
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) < (b)) ? (b) : (a))
int const nmax = 200000;
int v[1 + nmax];
map<int,int> mp;
class FenwickTree{
private:
vector<int> aib;
int n;
public:
FenwickTree(int n_){
n = n_;
aib.resize(1 + n);
}
void update(int pos, int val){
for(int x = pos; x <= n; x += (x & (x ^ (x - 1))))
aib[x] = max(aib[x], val);
}
int query(int pos){
int result = 0;
for(int x = pos; 0 < x; x = (x & (x - 1)))
result = max(result, aib[x]);
return result;
}
};
void normalize(int n, int lim){
vector<int> temp;
for(int i = 1; i <= n; i++) {
temp.push_back(v[i]);
temp.push_back(v[i] + lim);
}
sort(temp.begin(), temp.end());
temp.erase(unique(temp.begin(), temp.end()), temp.end());
for(int i = 0; i < temp.size(); i++)
mp[temp[i]] = 1 + i;
}
int main()
{
int n, lim;
cin >> n >> lim;
for(int i = 1;i <= n; i++)
cin >> v[i];
normalize(n, lim);
FenwickTree basic(1 + 2 * n), advanced(1 + 2 * n);
for(int i = 1;i <= n; i++){
int id1 = mp[v[i]];
int id2 = mp[v[i] + lim];
advanced.update(id2, max(basic.query(id2 - 1), advanced.query(id2 - 1)) + 1);
basic.update(id1, basic.query(id1 - 1) + 1);
}
cout << advanced.query(2 * n);
return 0;
}
Compilation message
glo.cpp: In function 'void normalize(int, int)':
glo.cpp:46:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < temp.size(); i++)
~~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
256 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
256 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
256 KB |
Output is correct |
14 |
Correct |
5 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
256 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
256 KB |
Output is correct |
14 |
Correct |
5 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
6 ms |
384 KB |
Output is correct |
20 |
Correct |
6 ms |
512 KB |
Output is correct |
21 |
Correct |
6 ms |
384 KB |
Output is correct |
22 |
Correct |
6 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
380 ms |
15648 KB |
Output is correct |
2 |
Correct |
362 ms |
15688 KB |
Output is correct |
3 |
Correct |
354 ms |
15560 KB |
Output is correct |
4 |
Correct |
368 ms |
15560 KB |
Output is correct |
5 |
Correct |
163 ms |
10056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
97 ms |
6500 KB |
Output is correct |
2 |
Correct |
94 ms |
6504 KB |
Output is correct |
3 |
Correct |
90 ms |
6504 KB |
Output is correct |
4 |
Correct |
48 ms |
3952 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
48 ms |
3944 KB |
Output is correct |
7 |
Correct |
77 ms |
5864 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
235 ms |
12636 KB |
Output is correct |
2 |
Correct |
237 ms |
12632 KB |
Output is correct |
3 |
Correct |
579 ms |
25032 KB |
Output is correct |
4 |
Correct |
219 ms |
14792 KB |
Output is correct |
5 |
Correct |
139 ms |
12280 KB |
Output is correct |
6 |
Correct |
245 ms |
23060 KB |
Output is correct |
7 |
Correct |
282 ms |
23700 KB |
Output is correct |
8 |
Correct |
179 ms |
12764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
256 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
256 KB |
Output is correct |
14 |
Correct |
5 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
6 ms |
384 KB |
Output is correct |
20 |
Correct |
6 ms |
512 KB |
Output is correct |
21 |
Correct |
6 ms |
384 KB |
Output is correct |
22 |
Correct |
6 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
380 ms |
15648 KB |
Output is correct |
28 |
Correct |
362 ms |
15688 KB |
Output is correct |
29 |
Correct |
354 ms |
15560 KB |
Output is correct |
30 |
Correct |
368 ms |
15560 KB |
Output is correct |
31 |
Correct |
163 ms |
10056 KB |
Output is correct |
32 |
Correct |
97 ms |
6500 KB |
Output is correct |
33 |
Correct |
94 ms |
6504 KB |
Output is correct |
34 |
Correct |
90 ms |
6504 KB |
Output is correct |
35 |
Correct |
48 ms |
3952 KB |
Output is correct |
36 |
Correct |
5 ms |
256 KB |
Output is correct |
37 |
Correct |
48 ms |
3944 KB |
Output is correct |
38 |
Correct |
77 ms |
5864 KB |
Output is correct |
39 |
Correct |
235 ms |
12636 KB |
Output is correct |
40 |
Correct |
237 ms |
12632 KB |
Output is correct |
41 |
Correct |
579 ms |
25032 KB |
Output is correct |
42 |
Correct |
219 ms |
14792 KB |
Output is correct |
43 |
Correct |
139 ms |
12280 KB |
Output is correct |
44 |
Correct |
245 ms |
23060 KB |
Output is correct |
45 |
Correct |
282 ms |
23700 KB |
Output is correct |
46 |
Correct |
179 ms |
12764 KB |
Output is correct |
47 |
Correct |
205 ms |
12636 KB |
Output is correct |
48 |
Correct |
210 ms |
12632 KB |
Output is correct |
49 |
Correct |
521 ms |
24904 KB |
Output is correct |
50 |
Correct |
195 ms |
14792 KB |
Output is correct |
51 |
Correct |
154 ms |
11328 KB |
Output is correct |
52 |
Correct |
211 ms |
15032 KB |
Output is correct |
53 |
Correct |
262 ms |
24504 KB |
Output is correct |
54 |
Correct |
299 ms |
25144 KB |
Output is correct |
55 |
Correct |
356 ms |
21960 KB |
Output is correct |