#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n,x;
cin >> n >> x;
int temps[n];
for(int i = 0; i < n; i++) cin >> temps[i];
int left[n], right[n];
vector<int> magic;
magic.push_back(temps[0]);
left[0]=1;
for(int i = 1; i < n; i++) {
int lb = lower_bound(begin(magic), end(magic), temps[i])-begin(magic);
if(lb==magic.size()) {
magic.push_back(temps[i]);
} else {
magic[lb]=temps[i];
}
left[i]=lb+1;
}
vector<int> magic2;
magic2.push_back(-temps[n-1]);
right[n-1]=0;
for(int i = n-2; i >= 0; i--) {
//for(int i: magic2) cout << i << " ";
int rb = lower_bound(begin(magic2), end(magic2), -temps[i]+x)-begin(magic2);
//cout << -temps[i]+x<< " " << rb << endl;
right[i]=rb;
int insert = lower_bound(begin(magic2), end(magic2), -temps[i])-begin(magic2);
if(insert==magic2.size()) {
magic2.push_back(-temps[i]);
} else {
magic2[insert]=-temps[i];
}
}
int max = 0;
for(int i = 0; i < n; i++) {
max=std::max(max,left[i]+right[i]);
}
cout << max << endl;
}
Compilation message
glo.cpp: In function 'int main()':
glo.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
17 | if(lb==magic.size()) {
| ~~^~~~~~~~~~~~~~
glo.cpp:33:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | if(insert==magic2.size()) {
| ~~~~~~^~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
11 |
Correct |
1 ms |
324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
11 |
Correct |
1 ms |
324 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
324 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
11 |
Correct |
1 ms |
324 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
324 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
47 ms |
4588 KB |
Output is correct |
2 |
Correct |
45 ms |
4532 KB |
Output is correct |
3 |
Correct |
45 ms |
4544 KB |
Output is correct |
4 |
Correct |
44 ms |
4572 KB |
Output is correct |
5 |
Correct |
22 ms |
4948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
1388 KB |
Output is correct |
2 |
Correct |
11 ms |
1364 KB |
Output is correct |
3 |
Correct |
11 ms |
1388 KB |
Output is correct |
4 |
Correct |
7 ms |
1444 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
5 ms |
1436 KB |
Output is correct |
7 |
Correct |
12 ms |
1384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
2360 KB |
Output is correct |
2 |
Correct |
19 ms |
2356 KB |
Output is correct |
3 |
Correct |
38 ms |
4516 KB |
Output is correct |
4 |
Correct |
22 ms |
4964 KB |
Output is correct |
5 |
Correct |
11 ms |
2648 KB |
Output is correct |
6 |
Correct |
22 ms |
4884 KB |
Output is correct |
7 |
Correct |
25 ms |
5516 KB |
Output is correct |
8 |
Correct |
15 ms |
2388 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
11 |
Correct |
1 ms |
324 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
324 KB |
Output is correct |
14 |
Correct |
1 ms |
316 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
47 ms |
4588 KB |
Output is correct |
28 |
Correct |
45 ms |
4532 KB |
Output is correct |
29 |
Correct |
45 ms |
4544 KB |
Output is correct |
30 |
Correct |
44 ms |
4572 KB |
Output is correct |
31 |
Correct |
22 ms |
4948 KB |
Output is correct |
32 |
Correct |
11 ms |
1388 KB |
Output is correct |
33 |
Correct |
11 ms |
1364 KB |
Output is correct |
34 |
Correct |
11 ms |
1388 KB |
Output is correct |
35 |
Correct |
7 ms |
1444 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
5 ms |
1436 KB |
Output is correct |
38 |
Correct |
12 ms |
1384 KB |
Output is correct |
39 |
Correct |
19 ms |
2360 KB |
Output is correct |
40 |
Correct |
19 ms |
2356 KB |
Output is correct |
41 |
Correct |
38 ms |
4516 KB |
Output is correct |
42 |
Correct |
22 ms |
4964 KB |
Output is correct |
43 |
Correct |
11 ms |
2648 KB |
Output is correct |
44 |
Correct |
22 ms |
4884 KB |
Output is correct |
45 |
Correct |
25 ms |
5516 KB |
Output is correct |
46 |
Correct |
15 ms |
2388 KB |
Output is correct |
47 |
Correct |
22 ms |
2356 KB |
Output is correct |
48 |
Correct |
22 ms |
2352 KB |
Output is correct |
49 |
Correct |
53 ms |
4580 KB |
Output is correct |
50 |
Correct |
21 ms |
4924 KB |
Output is correct |
51 |
Correct |
21 ms |
4052 KB |
Output is correct |
52 |
Correct |
22 ms |
5044 KB |
Output is correct |
53 |
Correct |
20 ms |
5068 KB |
Output is correct |
54 |
Correct |
24 ms |
5720 KB |
Output is correct |
55 |
Correct |
35 ms |
4532 KB |
Output is correct |