#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int, int> pii;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int inf = 1e9;
const int mod = 1e9+7;
const int maxn = 4e5 + 1;
int tr[maxn * 4], x, xl, xr;
int get(int v, int l, int r){
if(xl <= l && r <= xr)return tr[v];
if(r <= xl || xr <= l)return 0;
return max(get(v * 2 + 1, l, (l + r) / 2), get(v * 2 + 2, (l + r) / 2, r));
}
void upd(int v, int l, int r){
if(l + 1 == r){
tr[v] = x;
return;
}
if((l + r) / 2 <= xl)upd(v * 2 + 2, (l + r) / 2, r);
else upd(v * 2 + 1, l, (l + r) / 2);
tr[v] = max(tr[v * 2 + 1], tr[v * 2 + 2]);
}
void solve() {
int n;
cin >> n >> x;
int t[n], p[n], sf[n];
set<int> s;
map<int, int> m;
for(int i = 0; i < n; i++){
cin >> t[i];
p[i] = t[i] + x;
s.insert(t[i]);
s.insert(t[i] + x);
}
int cnt = 0;
for(auto i : s)m[i] = cnt++;
for(int i = n - 1; i >= 0; i--){
t[i] = m[t[i]];
p[i] = m[p[i]];
xl = t[i] + 1, xr = maxn;
x = get(0, 0, maxn) + 1;
xl = t[i];
sf[i] = x;
upd(0, 0, maxn);
}
memset(tr, 0, sizeof tr);
int ans = 0;
for(int i = 0; i < n; i++){
xl = 0, xr = p[i];
x = get(0, 0, maxn) + sf[i];
ans = max(ans, x);
xl = 0, xr = t[i];
x = get(0, 0, maxn) + 1;
xl = t[i];
upd(0, 0, maxn);
}
cout << ans;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int times = 1;
//cin >> times;
for(int i = 1; i <= times; i++) {
solve();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6488 KB |
Output is correct |
3 |
Correct |
3 ms |
6492 KB |
Output is correct |
4 |
Correct |
3 ms |
6492 KB |
Output is correct |
5 |
Correct |
3 ms |
6748 KB |
Output is correct |
6 |
Correct |
3 ms |
6492 KB |
Output is correct |
7 |
Correct |
3 ms |
6484 KB |
Output is correct |
8 |
Correct |
4 ms |
6488 KB |
Output is correct |
9 |
Correct |
3 ms |
6492 KB |
Output is correct |
10 |
Correct |
3 ms |
6488 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6488 KB |
Output is correct |
3 |
Correct |
3 ms |
6492 KB |
Output is correct |
4 |
Correct |
3 ms |
6492 KB |
Output is correct |
5 |
Correct |
3 ms |
6748 KB |
Output is correct |
6 |
Correct |
3 ms |
6492 KB |
Output is correct |
7 |
Correct |
3 ms |
6484 KB |
Output is correct |
8 |
Correct |
4 ms |
6488 KB |
Output is correct |
9 |
Correct |
3 ms |
6492 KB |
Output is correct |
10 |
Correct |
3 ms |
6488 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
12 |
Correct |
3 ms |
6492 KB |
Output is correct |
13 |
Correct |
3 ms |
6492 KB |
Output is correct |
14 |
Correct |
3 ms |
6488 KB |
Output is correct |
15 |
Correct |
3 ms |
6492 KB |
Output is correct |
16 |
Correct |
3 ms |
6488 KB |
Output is correct |
17 |
Correct |
3 ms |
6740 KB |
Output is correct |
18 |
Correct |
3 ms |
6492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6488 KB |
Output is correct |
3 |
Correct |
3 ms |
6492 KB |
Output is correct |
4 |
Correct |
3 ms |
6492 KB |
Output is correct |
5 |
Correct |
3 ms |
6748 KB |
Output is correct |
6 |
Correct |
3 ms |
6492 KB |
Output is correct |
7 |
Correct |
3 ms |
6484 KB |
Output is correct |
8 |
Correct |
4 ms |
6488 KB |
Output is correct |
9 |
Correct |
3 ms |
6492 KB |
Output is correct |
10 |
Correct |
3 ms |
6488 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
12 |
Correct |
3 ms |
6492 KB |
Output is correct |
13 |
Correct |
3 ms |
6492 KB |
Output is correct |
14 |
Correct |
3 ms |
6488 KB |
Output is correct |
15 |
Correct |
3 ms |
6492 KB |
Output is correct |
16 |
Correct |
3 ms |
6488 KB |
Output is correct |
17 |
Correct |
3 ms |
6740 KB |
Output is correct |
18 |
Correct |
3 ms |
6492 KB |
Output is correct |
19 |
Correct |
4 ms |
6748 KB |
Output is correct |
20 |
Correct |
4 ms |
6748 KB |
Output is correct |
21 |
Correct |
4 ms |
6824 KB |
Output is correct |
22 |
Correct |
4 ms |
6752 KB |
Output is correct |
23 |
Correct |
3 ms |
6752 KB |
Output is correct |
24 |
Correct |
4 ms |
7000 KB |
Output is correct |
25 |
Correct |
3 ms |
6744 KB |
Output is correct |
26 |
Correct |
4 ms |
6748 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
384 ms |
29952 KB |
Output is correct |
2 |
Correct |
396 ms |
29532 KB |
Output is correct |
3 |
Correct |
413 ms |
29532 KB |
Output is correct |
4 |
Correct |
366 ms |
29748 KB |
Output is correct |
5 |
Correct |
155 ms |
19392 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
97 ms |
16984 KB |
Output is correct |
2 |
Correct |
96 ms |
16980 KB |
Output is correct |
3 |
Correct |
114 ms |
17096 KB |
Output is correct |
4 |
Correct |
45 ms |
12376 KB |
Output is correct |
5 |
Correct |
3 ms |
6492 KB |
Output is correct |
6 |
Correct |
49 ms |
12280 KB |
Output is correct |
7 |
Correct |
76 ms |
15472 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
328 ms |
27476 KB |
Output is correct |
2 |
Correct |
253 ms |
27984 KB |
Output is correct |
3 |
Correct |
715 ms |
48468 KB |
Output is correct |
4 |
Correct |
197 ms |
28752 KB |
Output is correct |
5 |
Correct |
154 ms |
27004 KB |
Output is correct |
6 |
Correct |
289 ms |
46044 KB |
Output is correct |
7 |
Correct |
294 ms |
46416 KB |
Output is correct |
8 |
Correct |
193 ms |
27476 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6488 KB |
Output is correct |
3 |
Correct |
3 ms |
6492 KB |
Output is correct |
4 |
Correct |
3 ms |
6492 KB |
Output is correct |
5 |
Correct |
3 ms |
6748 KB |
Output is correct |
6 |
Correct |
3 ms |
6492 KB |
Output is correct |
7 |
Correct |
3 ms |
6484 KB |
Output is correct |
8 |
Correct |
4 ms |
6488 KB |
Output is correct |
9 |
Correct |
3 ms |
6492 KB |
Output is correct |
10 |
Correct |
3 ms |
6488 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
12 |
Correct |
3 ms |
6492 KB |
Output is correct |
13 |
Correct |
3 ms |
6492 KB |
Output is correct |
14 |
Correct |
3 ms |
6488 KB |
Output is correct |
15 |
Correct |
3 ms |
6492 KB |
Output is correct |
16 |
Correct |
3 ms |
6488 KB |
Output is correct |
17 |
Correct |
3 ms |
6740 KB |
Output is correct |
18 |
Correct |
3 ms |
6492 KB |
Output is correct |
19 |
Correct |
4 ms |
6748 KB |
Output is correct |
20 |
Correct |
4 ms |
6748 KB |
Output is correct |
21 |
Correct |
4 ms |
6824 KB |
Output is correct |
22 |
Correct |
4 ms |
6752 KB |
Output is correct |
23 |
Correct |
3 ms |
6752 KB |
Output is correct |
24 |
Correct |
4 ms |
7000 KB |
Output is correct |
25 |
Correct |
3 ms |
6744 KB |
Output is correct |
26 |
Correct |
4 ms |
6748 KB |
Output is correct |
27 |
Correct |
384 ms |
29952 KB |
Output is correct |
28 |
Correct |
396 ms |
29532 KB |
Output is correct |
29 |
Correct |
413 ms |
29532 KB |
Output is correct |
30 |
Correct |
366 ms |
29748 KB |
Output is correct |
31 |
Correct |
155 ms |
19392 KB |
Output is correct |
32 |
Correct |
97 ms |
16984 KB |
Output is correct |
33 |
Correct |
96 ms |
16980 KB |
Output is correct |
34 |
Correct |
114 ms |
17096 KB |
Output is correct |
35 |
Correct |
45 ms |
12376 KB |
Output is correct |
36 |
Correct |
3 ms |
6492 KB |
Output is correct |
37 |
Correct |
49 ms |
12280 KB |
Output is correct |
38 |
Correct |
76 ms |
15472 KB |
Output is correct |
39 |
Correct |
328 ms |
27476 KB |
Output is correct |
40 |
Correct |
253 ms |
27984 KB |
Output is correct |
41 |
Correct |
715 ms |
48468 KB |
Output is correct |
42 |
Correct |
197 ms |
28752 KB |
Output is correct |
43 |
Correct |
154 ms |
27004 KB |
Output is correct |
44 |
Correct |
289 ms |
46044 KB |
Output is correct |
45 |
Correct |
294 ms |
46416 KB |
Output is correct |
46 |
Correct |
193 ms |
27476 KB |
Output is correct |
47 |
Correct |
235 ms |
27856 KB |
Output is correct |
48 |
Correct |
211 ms |
27744 KB |
Output is correct |
49 |
Correct |
703 ms |
48340 KB |
Output is correct |
50 |
Correct |
196 ms |
28984 KB |
Output is correct |
51 |
Correct |
176 ms |
23212 KB |
Output is correct |
52 |
Correct |
246 ms |
29008 KB |
Output is correct |
53 |
Correct |
303 ms |
47952 KB |
Output is correct |
54 |
Correct |
307 ms |
48820 KB |
Output is correct |
55 |
Correct |
382 ms |
42376 KB |
Output is correct |