#include<bits/stdc++.h>
using namespace std;
int main(){
int n, x;
cin >> n >> x;
int a[n];
for(int i = 0;i < n; i++) cin >> a[i];
if(x == 0){
vector<int> dp;
for(int i = 0; i < n; i++){
int idx = lower_bound(dp.begin(), dp.end(), a[i]) - dp.begin();
if(idx == (int)dp.size()){
dp.push_back(a[i]);
}
else{
dp[idx] = a[i];
}
}
cout << dp.size() << "\n";
}
else{
if(n <= 1000){
int ans = 0;
for(int i = -1; i < n; i++){
int b[n];
for(int j = 0; j < n; j++){
if(j <= i){
b[j] = a[j] - x;
}
else{
b[j] = a[j];
}
}
vector<int> dp;
for(int j = 0; j < n; j++){
int idx = lower_bound(dp.begin(), dp.end(), b[j]) - dp.begin();
if(idx == (int)dp.size()){
dp.push_back(b[j]);
}
else{
dp[idx] = b[j];
}
}
ans = max(ans, (int)dp.size());
}
cout << ans << "\n";
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
436 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
604 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
436 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
604 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
17 ms |
348 KB |
Output is correct |
20 |
Correct |
13 ms |
348 KB |
Output is correct |
21 |
Correct |
12 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
604 KB |
Output is correct |
23 |
Correct |
12 ms |
348 KB |
Output is correct |
24 |
Correct |
11 ms |
348 KB |
Output is correct |
25 |
Correct |
9 ms |
600 KB |
Output is correct |
26 |
Correct |
9 ms |
440 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
64 ms |
1368 KB |
Output is correct |
2 |
Correct |
62 ms |
1184 KB |
Output is correct |
3 |
Correct |
63 ms |
1188 KB |
Output is correct |
4 |
Correct |
66 ms |
1112 KB |
Output is correct |
5 |
Correct |
42 ms |
1744 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
13 ms |
600 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
27 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
436 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
604 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
17 ms |
348 KB |
Output is correct |
20 |
Correct |
13 ms |
348 KB |
Output is correct |
21 |
Correct |
12 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
604 KB |
Output is correct |
23 |
Correct |
12 ms |
348 KB |
Output is correct |
24 |
Correct |
11 ms |
348 KB |
Output is correct |
25 |
Correct |
9 ms |
600 KB |
Output is correct |
26 |
Correct |
9 ms |
440 KB |
Output is correct |
27 |
Correct |
64 ms |
1368 KB |
Output is correct |
28 |
Correct |
62 ms |
1184 KB |
Output is correct |
29 |
Correct |
63 ms |
1188 KB |
Output is correct |
30 |
Correct |
66 ms |
1112 KB |
Output is correct |
31 |
Correct |
42 ms |
1744 KB |
Output is correct |
32 |
Incorrect |
13 ms |
600 KB |
Output isn't correct |
33 |
Halted |
0 ms |
0 KB |
- |