#include <bits/stdc++.h>
using namespace std;
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e18
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }
// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi," ",x.se);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }
//===================//
// Added libraries //
//===================//
//===================//
//end added libraries//
//===================//
void program();
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
program();
}
//===================//
// begin program //
//===================//
const int MX = 5e5;
ll n, x;
ll t[MX];
ll LIS[MX];
ll L[MX], m=0;
void program() {
IN(n,x);
RE(i,n) IN(t[i]);
RE(i,n) {
ll lb=-1, ub=m-1;
while(lb != ub) {
ll mid=(lb+ub+1)/2;
if(L[mid] < t[i]) lb=mid;
else ub=mid-1;
}
LIS[i] = lb+2;
if(lb == m-1) L[m++] = t[i];
L[lb+1] = min(L[lb+1], t[i]);
}
ll ans = 0;
m = 0;
REV(i,0,n) {
ll lb=-1, ub=m-1;
while(lb != ub) {
ll mid=(lb+ub+1)/2;
if(L[mid] < -t[i]) lb=mid;
else ub=mid-1;
}
ans = max(ans, LIS[i]+lb+1);
lb=-1, ub=m-1;
while(lb != ub) {
ll mid=(lb+ub+1)/2;
if(L[mid] < -t[i]-x) lb=mid;
else ub=mid-1;
}
if(lb == m-1) L[m++] = -t[i]-x;
L[lb+1] = min(L[lb+1], -t[i]-x);
}
OUTL(ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
5240 KB |
Output is correct |
2 |
Correct |
67 ms |
5240 KB |
Output is correct |
3 |
Correct |
69 ms |
5240 KB |
Output is correct |
4 |
Correct |
68 ms |
5240 KB |
Output is correct |
5 |
Correct |
40 ms |
5240 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
1536 KB |
Output is correct |
2 |
Correct |
17 ms |
1664 KB |
Output is correct |
3 |
Correct |
17 ms |
1628 KB |
Output is correct |
4 |
Correct |
10 ms |
1664 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
9 ms |
1664 KB |
Output is correct |
7 |
Correct |
13 ms |
1664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
28 ms |
2816 KB |
Output is correct |
2 |
Correct |
30 ms |
2940 KB |
Output is correct |
3 |
Correct |
58 ms |
5368 KB |
Output is correct |
4 |
Correct |
44 ms |
5496 KB |
Output is correct |
5 |
Correct |
19 ms |
2944 KB |
Output is correct |
6 |
Correct |
32 ms |
5240 KB |
Output is correct |
7 |
Correct |
40 ms |
6008 KB |
Output is correct |
8 |
Correct |
24 ms |
2936 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
68 ms |
5240 KB |
Output is correct |
28 |
Correct |
67 ms |
5240 KB |
Output is correct |
29 |
Correct |
69 ms |
5240 KB |
Output is correct |
30 |
Correct |
68 ms |
5240 KB |
Output is correct |
31 |
Correct |
40 ms |
5240 KB |
Output is correct |
32 |
Correct |
17 ms |
1536 KB |
Output is correct |
33 |
Correct |
17 ms |
1664 KB |
Output is correct |
34 |
Correct |
17 ms |
1628 KB |
Output is correct |
35 |
Correct |
10 ms |
1664 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
9 ms |
1664 KB |
Output is correct |
38 |
Correct |
13 ms |
1664 KB |
Output is correct |
39 |
Correct |
28 ms |
2816 KB |
Output is correct |
40 |
Correct |
30 ms |
2940 KB |
Output is correct |
41 |
Correct |
58 ms |
5368 KB |
Output is correct |
42 |
Correct |
44 ms |
5496 KB |
Output is correct |
43 |
Correct |
19 ms |
2944 KB |
Output is correct |
44 |
Correct |
32 ms |
5240 KB |
Output is correct |
45 |
Correct |
40 ms |
6008 KB |
Output is correct |
46 |
Correct |
24 ms |
2936 KB |
Output is correct |
47 |
Correct |
33 ms |
2944 KB |
Output is correct |
48 |
Correct |
33 ms |
2936 KB |
Output is correct |
49 |
Correct |
71 ms |
5604 KB |
Output is correct |
50 |
Correct |
40 ms |
5492 KB |
Output is correct |
51 |
Correct |
33 ms |
4344 KB |
Output is correct |
52 |
Correct |
41 ms |
5612 KB |
Output is correct |
53 |
Correct |
33 ms |
5504 KB |
Output is correct |
54 |
Correct |
42 ms |
6264 KB |
Output is correct |
55 |
Correct |
56 ms |
5496 KB |
Output is correct |