#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
const int maxn = 200010;
int t[maxn], vege[maxn];
int dp[maxn];
int main()
{
int n, x;
cin >> n >> x;
for (int i = 1; i <= n; i++) cin >> t[i];
fill(dp, dp + n + 2, INT32_MAX);
dp[0] = INT32_MIN;
for (int i = 1; i <= n; i++) {
int j = upper_bound(dp, dp + n + 1, t[i]) - dp;
if (dp[j - 1] < t[i] && t[i] < dp[j]) {
dp[j] = t[i];
vege[i] = j;
}
else {
vege[i] = j - 1;
}
}
fill(dp, dp + n + 2, INT32_MIN);
dp[0] = INT32_MAX;
int ans = 0;
for (int i = n; i > 0; i--) {
int l = 0, r = n + 1;
while (l + 1 < r) {
int m = (l + r) / 2;
if (dp[m] > t[i] - x)l = m;
else r = m;
}
ans = max(ans, vege[i] + l);
l = 0, r = n + 1;
while (l + 1 < r) {
int m = (l + r) / 2;
if (dp[m] > t[i])l = m;
else r = m;
}
dp[l + 1] = t[i];
}
cout << ans << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
312 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 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 |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
113 ms |
2612 KB |
Output is correct |
| 2 |
Correct |
114 ms |
4552 KB |
Output is correct |
| 3 |
Correct |
111 ms |
4560 KB |
Output is correct |
| 4 |
Correct |
107 ms |
4512 KB |
Output is correct |
| 5 |
Correct |
74 ms |
3756 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
27 ms |
904 KB |
Output is correct |
| 2 |
Correct |
27 ms |
1372 KB |
Output is correct |
| 3 |
Correct |
27 ms |
1288 KB |
Output is correct |
| 4 |
Correct |
19 ms |
1108 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
19 ms |
1100 KB |
Output is correct |
| 7 |
Correct |
28 ms |
1356 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
51 ms |
1440 KB |
Output is correct |
| 2 |
Correct |
50 ms |
2380 KB |
Output is correct |
| 3 |
Correct |
102 ms |
4556 KB |
Output is correct |
| 4 |
Correct |
74 ms |
3676 KB |
Output is correct |
| 5 |
Correct |
37 ms |
2164 KB |
Output is correct |
| 6 |
Correct |
71 ms |
3596 KB |
Output is correct |
| 7 |
Correct |
94 ms |
4380 KB |
Output is correct |
| 8 |
Correct |
47 ms |
2420 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
312 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 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 |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
113 ms |
2612 KB |
Output is correct |
| 28 |
Correct |
114 ms |
4552 KB |
Output is correct |
| 29 |
Correct |
111 ms |
4560 KB |
Output is correct |
| 30 |
Correct |
107 ms |
4512 KB |
Output is correct |
| 31 |
Correct |
74 ms |
3756 KB |
Output is correct |
| 32 |
Correct |
27 ms |
904 KB |
Output is correct |
| 33 |
Correct |
27 ms |
1372 KB |
Output is correct |
| 34 |
Correct |
27 ms |
1288 KB |
Output is correct |
| 35 |
Correct |
19 ms |
1108 KB |
Output is correct |
| 36 |
Correct |
0 ms |
212 KB |
Output is correct |
| 37 |
Correct |
19 ms |
1100 KB |
Output is correct |
| 38 |
Correct |
28 ms |
1356 KB |
Output is correct |
| 39 |
Correct |
51 ms |
1440 KB |
Output is correct |
| 40 |
Correct |
50 ms |
2380 KB |
Output is correct |
| 41 |
Correct |
102 ms |
4556 KB |
Output is correct |
| 42 |
Correct |
74 ms |
3676 KB |
Output is correct |
| 43 |
Correct |
37 ms |
2164 KB |
Output is correct |
| 44 |
Correct |
71 ms |
3596 KB |
Output is correct |
| 45 |
Correct |
94 ms |
4380 KB |
Output is correct |
| 46 |
Correct |
47 ms |
2420 KB |
Output is correct |
| 47 |
Correct |
55 ms |
2400 KB |
Output is correct |
| 48 |
Correct |
56 ms |
2400 KB |
Output is correct |
| 49 |
Correct |
120 ms |
4552 KB |
Output is correct |
| 50 |
Correct |
78 ms |
3688 KB |
Output is correct |
| 51 |
Correct |
56 ms |
2916 KB |
Output is correct |
| 52 |
Correct |
77 ms |
3884 KB |
Output is correct |
| 53 |
Correct |
75 ms |
3852 KB |
Output is correct |
| 54 |
Correct |
96 ms |
4584 KB |
Output is correct |
| 55 |
Correct |
99 ms |
4568 KB |
Output is correct |
