#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 2e5;
struct AIB {
int aib[2 * MAX_N + 1];
void update( int i, int x ) {
while ( i <= 2 * MAX_N ) {
aib[i] = max( aib[i], x );
i += (i & -i);
}
}
int query( int i ) {
int x = 0;
while ( i > 0 ) {
x = max( x, aib[i] );
i -= (i & -i);
}
return x;
}
} dp0, dp1;
int v[MAX_N + 1];
map<int, int> nrm;
int main() {
int n, x;
cin >> n >> x;
for ( int i = 0; i < n; i++ ) {
cin >> v[i];
nrm[v[i]] = 1;
nrm[v[i] + x] = 1;
}
int a = 0;
for ( auto p: nrm )
nrm[p.first] = ++a;
for ( int i = 0; i < n; i++ ) {
int maxLen0 = dp0.query( nrm[v[i]] - 1 ) + 1, maxLen1 = max( dp0.query( nrm[v[i] + x] - 1 ), dp1.query( nrm[v[i]] - 1 ) ) + 1;
dp0.update( nrm[v[i]], maxLen0 );
dp1.update( nrm[v[i]], maxLen1 );
}
cout << max( dp0.query( a ), dp1.query( a ) );
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
504 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
504 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
344 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 |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
504 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
344 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 |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
2 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
600 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
289 ms |
12852 KB |
Output is correct |
2 |
Correct |
293 ms |
14676 KB |
Output is correct |
3 |
Correct |
273 ms |
14676 KB |
Output is correct |
4 |
Correct |
293 ms |
14760 KB |
Output is correct |
5 |
Correct |
144 ms |
8712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
7720 KB |
Output is correct |
2 |
Correct |
72 ms |
7772 KB |
Output is correct |
3 |
Correct |
70 ms |
7768 KB |
Output is correct |
4 |
Correct |
34 ms |
5204 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
38 ms |
5168 KB |
Output is correct |
7 |
Correct |
59 ms |
6736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
178 ms |
12220 KB |
Output is correct |
2 |
Correct |
173 ms |
12224 KB |
Output is correct |
3 |
Correct |
464 ms |
22596 KB |
Output is correct |
4 |
Correct |
194 ms |
13520 KB |
Output is correct |
5 |
Correct |
132 ms |
12880 KB |
Output is correct |
6 |
Correct |
237 ms |
22356 KB |
Output is correct |
7 |
Correct |
254 ms |
22884 KB |
Output is correct |
8 |
Correct |
143 ms |
13416 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
504 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
344 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 |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
2 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
600 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
289 ms |
12852 KB |
Output is correct |
28 |
Correct |
293 ms |
14676 KB |
Output is correct |
29 |
Correct |
273 ms |
14676 KB |
Output is correct |
30 |
Correct |
293 ms |
14760 KB |
Output is correct |
31 |
Correct |
144 ms |
8712 KB |
Output is correct |
32 |
Correct |
76 ms |
7720 KB |
Output is correct |
33 |
Correct |
72 ms |
7772 KB |
Output is correct |
34 |
Correct |
70 ms |
7768 KB |
Output is correct |
35 |
Correct |
34 ms |
5204 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
38 ms |
5168 KB |
Output is correct |
38 |
Correct |
59 ms |
6736 KB |
Output is correct |
39 |
Correct |
178 ms |
12220 KB |
Output is correct |
40 |
Correct |
173 ms |
12224 KB |
Output is correct |
41 |
Correct |
464 ms |
22596 KB |
Output is correct |
42 |
Correct |
194 ms |
13520 KB |
Output is correct |
43 |
Correct |
132 ms |
12880 KB |
Output is correct |
44 |
Correct |
237 ms |
22356 KB |
Output is correct |
45 |
Correct |
254 ms |
22884 KB |
Output is correct |
46 |
Correct |
143 ms |
13416 KB |
Output is correct |
47 |
Correct |
171 ms |
13792 KB |
Output is correct |
48 |
Correct |
158 ms |
13648 KB |
Output is correct |
49 |
Correct |
417 ms |
24916 KB |
Output is correct |
50 |
Correct |
147 ms |
14164 KB |
Output is correct |
51 |
Correct |
142 ms |
10836 KB |
Output is correct |
52 |
Correct |
206 ms |
13904 KB |
Output is correct |
53 |
Correct |
265 ms |
23612 KB |
Output is correct |
54 |
Correct |
268 ms |
24148 KB |
Output is correct |
55 |
Correct |
307 ms |
21560 KB |
Output is correct |