/*#pragma GCC optimize("Ofast")
#pragma GCC optimization("unroll-loops, no-stack-protector")
#pragma GCC target("avx,avx2,fma")
*/
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define ff first
#define ss second
#define pb push_back
#define endl "\n"
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const ll maxn=3e5+50;
const ll mod=1e9+7 ;
const ll base=2e18;
/// you will be the best but now you just are trash
/// goal 1/7
ll a[maxn];
struct stmx
{
ll st[4*maxn];
stmx()
{
memset(st,0,sizeof(st));
}
ll get(ll id,ll left,ll right,ll x,ll y)
{
if (left>y||right<x)
return 0;
if (x<=left&&right<=y)
{
return st[id];
}
ll mid =(left+right)/2;
return max(get(id*2,left,mid,x,y),get(id*2+1,mid+1,right,x,y));
}
void update(ll id,ll left,ll right, ll pos,ll diff)
{
if (pos<left||pos>right)
return ;
if (left==right)
{
st[id]=diff;
return;
}
ll mid =(left+right)/2;
update(id*2,left,mid,pos,diff);
update(id*2+1,mid+1,right,pos,diff);
st[id]=max(st[id*2],st[id*2+1]);
}
}man,man1;
set<ll> st;
ll n;
void add(ll x)
{
auto it=st.lower_bound(x);
if (it!=st.end())
{
ll h=(*it);
man.update(1,1,n,x,h-x);
}
if (it!=st.begin())
{
it--;
ll h=(*it);
man.update(1,1,n,h,x-h);
}
st.insert(x);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
if (fopen("t.inp", "r"))
{
freopen("test.inp", "r", stdin);
freopen("test.out", "w", stdout);
}
ll d;
cin>> n>> d;
vector<pll> vt;
for (int i=1;i<=n;i++)
{
cin>>a[i];
vt.pb(make_pair(a[i],-i));
}
sort(vt.begin(),vt.end());
ll ans=0;
for (auto p:vt)
{
ll pos=p.ss;
pos=-pos;
add(pos);
ll l=1,h=pos-1;
while (l<=h)
{
ll mid=(l+h)/2;
if (man.get(1,1,n,mid,pos-1)<=d) h=mid-1;
else l=mid+1;
}
ll nw=man1.get(1,1,n,l,pos-1)+1;
// cout <<nw<<" "<<l<<" "<<pos<<endl;
ans=max(ans,nw);
man1.update(1,1,n,pos,nw);
}
cout <<ans<<endl;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:82:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
82 | freopen("test.inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:83:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
83 | freopen("test.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
19020 KB |
Output is correct |
2 |
Correct |
8 ms |
19068 KB |
Output is correct |
3 |
Correct |
8 ms |
19088 KB |
Output is correct |
4 |
Correct |
8 ms |
19020 KB |
Output is correct |
5 |
Correct |
8 ms |
19020 KB |
Output is correct |
6 |
Correct |
9 ms |
19020 KB |
Output is correct |
7 |
Correct |
8 ms |
19020 KB |
Output is correct |
8 |
Correct |
9 ms |
19116 KB |
Output is correct |
9 |
Correct |
7 ms |
19020 KB |
Output is correct |
10 |
Correct |
9 ms |
19068 KB |
Output is correct |
11 |
Correct |
7 ms |
19088 KB |
Output is correct |
12 |
Correct |
8 ms |
19020 KB |
Output is correct |
13 |
Correct |
8 ms |
19020 KB |
Output is correct |
14 |
Correct |
9 ms |
19020 KB |
Output is correct |
15 |
Correct |
8 ms |
19016 KB |
Output is correct |
16 |
Correct |
8 ms |
19036 KB |
Output is correct |
17 |
Correct |
8 ms |
19108 KB |
Output is correct |
18 |
Correct |
8 ms |
19116 KB |
Output is correct |
19 |
Correct |
8 ms |
19156 KB |
Output is correct |
20 |
Correct |
8 ms |
19068 KB |
Output is correct |
21 |
Correct |
8 ms |
19020 KB |
Output is correct |
22 |
Correct |
8 ms |
19020 KB |
Output is correct |
23 |
Correct |
7 ms |
19016 KB |
Output is correct |
24 |
Correct |
8 ms |
19020 KB |
Output is correct |
25 |
Correct |
7 ms |
19020 KB |
Output is correct |
26 |
Correct |
7 ms |
19124 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
19020 KB |
Output is correct |
2 |
Correct |
8 ms |
19068 KB |
Output is correct |
3 |
Correct |
8 ms |
19088 KB |
Output is correct |
4 |
Correct |
8 ms |
19020 KB |
Output is correct |
5 |
Correct |
8 ms |
19020 KB |
Output is correct |
6 |
Correct |
9 ms |
19020 KB |
Output is correct |
7 |
Correct |
8 ms |
19020 KB |
Output is correct |
8 |
Correct |
9 ms |
19116 KB |
Output is correct |
9 |
Correct |
7 ms |
19020 KB |
Output is correct |
10 |
Correct |
9 ms |
19068 KB |
Output is correct |
11 |
Correct |
7 ms |
19088 KB |
Output is correct |
12 |
Correct |
8 ms |
19020 KB |
Output is correct |
13 |
Correct |
8 ms |
19020 KB |
Output is correct |
14 |
Correct |
9 ms |
19020 KB |
Output is correct |
15 |
Correct |
8 ms |
19016 KB |
Output is correct |
16 |
Correct |
8 ms |
19036 KB |
Output is correct |
17 |
Correct |
8 ms |
19108 KB |
Output is correct |
18 |
Correct |
8 ms |
19116 KB |
Output is correct |
19 |
Correct |
8 ms |
19156 KB |
Output is correct |
20 |
Correct |
8 ms |
19068 KB |
Output is correct |
21 |
Correct |
8 ms |
19020 KB |
Output is correct |
22 |
Correct |
8 ms |
19020 KB |
Output is correct |
23 |
Correct |
7 ms |
19016 KB |
Output is correct |
24 |
Correct |
8 ms |
19020 KB |
Output is correct |
25 |
Correct |
7 ms |
19020 KB |
Output is correct |
26 |
Correct |
7 ms |
19124 KB |
Output is correct |
27 |
Correct |
8 ms |
19120 KB |
Output is correct |
28 |
Correct |
9 ms |
19148 KB |
Output is correct |
29 |
Correct |
9 ms |
19092 KB |
Output is correct |
30 |
Correct |
9 ms |
19148 KB |
Output is correct |
31 |
Correct |
9 ms |
19120 KB |
Output is correct |
32 |
Correct |
8 ms |
19148 KB |
Output is correct |
33 |
Correct |
8 ms |
19148 KB |
Output is correct |
34 |
Correct |
8 ms |
19116 KB |
Output is correct |
35 |
Correct |
9 ms |
19036 KB |
Output is correct |
36 |
Correct |
8 ms |
19116 KB |
Output is correct |
37 |
Correct |
9 ms |
19148 KB |
Output is correct |
38 |
Correct |
8 ms |
19096 KB |
Output is correct |
39 |
Correct |
11 ms |
19124 KB |
Output is correct |
40 |
Correct |
9 ms |
19148 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
19020 KB |
Output is correct |
2 |
Correct |
8 ms |
19068 KB |
Output is correct |
3 |
Correct |
8 ms |
19088 KB |
Output is correct |
4 |
Correct |
8 ms |
19020 KB |
Output is correct |
5 |
Correct |
8 ms |
19020 KB |
Output is correct |
6 |
Correct |
9 ms |
19020 KB |
Output is correct |
7 |
Correct |
8 ms |
19020 KB |
Output is correct |
8 |
Correct |
9 ms |
19116 KB |
Output is correct |
9 |
Correct |
7 ms |
19020 KB |
Output is correct |
10 |
Correct |
9 ms |
19068 KB |
Output is correct |
11 |
Correct |
7 ms |
19088 KB |
Output is correct |
12 |
Correct |
8 ms |
19020 KB |
Output is correct |
13 |
Correct |
8 ms |
19020 KB |
Output is correct |
14 |
Correct |
9 ms |
19020 KB |
Output is correct |
15 |
Correct |
8 ms |
19016 KB |
Output is correct |
16 |
Correct |
8 ms |
19036 KB |
Output is correct |
17 |
Correct |
8 ms |
19108 KB |
Output is correct |
18 |
Correct |
8 ms |
19116 KB |
Output is correct |
19 |
Correct |
8 ms |
19156 KB |
Output is correct |
20 |
Correct |
8 ms |
19068 KB |
Output is correct |
21 |
Correct |
8 ms |
19020 KB |
Output is correct |
22 |
Correct |
8 ms |
19020 KB |
Output is correct |
23 |
Correct |
7 ms |
19016 KB |
Output is correct |
24 |
Correct |
8 ms |
19020 KB |
Output is correct |
25 |
Correct |
7 ms |
19020 KB |
Output is correct |
26 |
Correct |
7 ms |
19124 KB |
Output is correct |
27 |
Correct |
8 ms |
19120 KB |
Output is correct |
28 |
Correct |
9 ms |
19148 KB |
Output is correct |
29 |
Correct |
9 ms |
19092 KB |
Output is correct |
30 |
Correct |
9 ms |
19148 KB |
Output is correct |
31 |
Correct |
9 ms |
19120 KB |
Output is correct |
32 |
Correct |
8 ms |
19148 KB |
Output is correct |
33 |
Correct |
8 ms |
19148 KB |
Output is correct |
34 |
Correct |
8 ms |
19116 KB |
Output is correct |
35 |
Correct |
9 ms |
19036 KB |
Output is correct |
36 |
Correct |
8 ms |
19116 KB |
Output is correct |
37 |
Correct |
9 ms |
19148 KB |
Output is correct |
38 |
Correct |
8 ms |
19096 KB |
Output is correct |
39 |
Correct |
11 ms |
19124 KB |
Output is correct |
40 |
Correct |
9 ms |
19148 KB |
Output is correct |
41 |
Correct |
26 ms |
19652 KB |
Output is correct |
42 |
Correct |
26 ms |
19592 KB |
Output is correct |
43 |
Correct |
25 ms |
19576 KB |
Output is correct |
44 |
Correct |
23 ms |
19604 KB |
Output is correct |
45 |
Correct |
24 ms |
19600 KB |
Output is correct |
46 |
Correct |
25 ms |
19616 KB |
Output is correct |
47 |
Correct |
23 ms |
19600 KB |
Output is correct |
48 |
Correct |
26 ms |
19652 KB |
Output is correct |
49 |
Correct |
26 ms |
19612 KB |
Output is correct |
50 |
Correct |
26 ms |
19652 KB |
Output is correct |
51 |
Correct |
23 ms |
19660 KB |
Output is correct |
52 |
Correct |
26 ms |
19588 KB |
Output is correct |
53 |
Correct |
20 ms |
19660 KB |
Output is correct |
54 |
Correct |
22 ms |
19660 KB |
Output is correct |
55 |
Correct |
27 ms |
19660 KB |
Output is correct |
56 |
Correct |
26 ms |
19596 KB |
Output is correct |
57 |
Correct |
24 ms |
19680 KB |
Output is correct |
58 |
Correct |
20 ms |
19676 KB |
Output is correct |
59 |
Correct |
20 ms |
19676 KB |
Output is correct |
60 |
Correct |
24 ms |
19640 KB |
Output is correct |
61 |
Correct |
22 ms |
19616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
961 ms |
43180 KB |
Output is correct |
2 |
Correct |
1123 ms |
42684 KB |
Output is correct |
3 |
Correct |
1496 ms |
43280 KB |
Output is correct |
4 |
Correct |
1838 ms |
43092 KB |
Output is correct |
5 |
Correct |
1448 ms |
43240 KB |
Output is correct |
6 |
Correct |
1790 ms |
43308 KB |
Output is correct |
7 |
Correct |
928 ms |
43068 KB |
Output is correct |
8 |
Correct |
927 ms |
43128 KB |
Output is correct |
9 |
Correct |
975 ms |
43100 KB |
Output is correct |
10 |
Correct |
983 ms |
43212 KB |
Output is correct |
11 |
Correct |
1321 ms |
43112 KB |
Output is correct |
12 |
Correct |
1511 ms |
43132 KB |
Output is correct |
13 |
Correct |
1648 ms |
43256 KB |
Output is correct |
14 |
Correct |
1864 ms |
43256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
942 ms |
43516 KB |
Output is correct |
2 |
Correct |
1263 ms |
43120 KB |
Output is correct |
3 |
Correct |
1527 ms |
43104 KB |
Output is correct |
4 |
Correct |
1575 ms |
43124 KB |
Output is correct |
5 |
Correct |
1403 ms |
43096 KB |
Output is correct |
6 |
Correct |
1606 ms |
43156 KB |
Output is correct |
7 |
Correct |
941 ms |
43108 KB |
Output is correct |
8 |
Correct |
931 ms |
43080 KB |
Output is correct |
9 |
Correct |
948 ms |
43080 KB |
Output is correct |
10 |
Correct |
1239 ms |
43208 KB |
Output is correct |
11 |
Correct |
1598 ms |
43120 KB |
Output is correct |
12 |
Correct |
1457 ms |
43144 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
19020 KB |
Output is correct |
2 |
Correct |
8 ms |
19068 KB |
Output is correct |
3 |
Correct |
8 ms |
19088 KB |
Output is correct |
4 |
Correct |
8 ms |
19020 KB |
Output is correct |
5 |
Correct |
8 ms |
19020 KB |
Output is correct |
6 |
Correct |
9 ms |
19020 KB |
Output is correct |
7 |
Correct |
8 ms |
19020 KB |
Output is correct |
8 |
Correct |
9 ms |
19116 KB |
Output is correct |
9 |
Correct |
7 ms |
19020 KB |
Output is correct |
10 |
Correct |
9 ms |
19068 KB |
Output is correct |
11 |
Correct |
7 ms |
19088 KB |
Output is correct |
12 |
Correct |
8 ms |
19020 KB |
Output is correct |
13 |
Correct |
8 ms |
19020 KB |
Output is correct |
14 |
Correct |
9 ms |
19020 KB |
Output is correct |
15 |
Correct |
8 ms |
19016 KB |
Output is correct |
16 |
Correct |
8 ms |
19036 KB |
Output is correct |
17 |
Correct |
8 ms |
19108 KB |
Output is correct |
18 |
Correct |
8 ms |
19116 KB |
Output is correct |
19 |
Correct |
8 ms |
19156 KB |
Output is correct |
20 |
Correct |
8 ms |
19068 KB |
Output is correct |
21 |
Correct |
8 ms |
19020 KB |
Output is correct |
22 |
Correct |
8 ms |
19020 KB |
Output is correct |
23 |
Correct |
7 ms |
19016 KB |
Output is correct |
24 |
Correct |
8 ms |
19020 KB |
Output is correct |
25 |
Correct |
7 ms |
19020 KB |
Output is correct |
26 |
Correct |
7 ms |
19124 KB |
Output is correct |
27 |
Correct |
8 ms |
19120 KB |
Output is correct |
28 |
Correct |
9 ms |
19148 KB |
Output is correct |
29 |
Correct |
9 ms |
19092 KB |
Output is correct |
30 |
Correct |
9 ms |
19148 KB |
Output is correct |
31 |
Correct |
9 ms |
19120 KB |
Output is correct |
32 |
Correct |
8 ms |
19148 KB |
Output is correct |
33 |
Correct |
8 ms |
19148 KB |
Output is correct |
34 |
Correct |
8 ms |
19116 KB |
Output is correct |
35 |
Correct |
9 ms |
19036 KB |
Output is correct |
36 |
Correct |
8 ms |
19116 KB |
Output is correct |
37 |
Correct |
9 ms |
19148 KB |
Output is correct |
38 |
Correct |
8 ms |
19096 KB |
Output is correct |
39 |
Correct |
11 ms |
19124 KB |
Output is correct |
40 |
Correct |
9 ms |
19148 KB |
Output is correct |
41 |
Correct |
26 ms |
19652 KB |
Output is correct |
42 |
Correct |
26 ms |
19592 KB |
Output is correct |
43 |
Correct |
25 ms |
19576 KB |
Output is correct |
44 |
Correct |
23 ms |
19604 KB |
Output is correct |
45 |
Correct |
24 ms |
19600 KB |
Output is correct |
46 |
Correct |
25 ms |
19616 KB |
Output is correct |
47 |
Correct |
23 ms |
19600 KB |
Output is correct |
48 |
Correct |
26 ms |
19652 KB |
Output is correct |
49 |
Correct |
26 ms |
19612 KB |
Output is correct |
50 |
Correct |
26 ms |
19652 KB |
Output is correct |
51 |
Correct |
23 ms |
19660 KB |
Output is correct |
52 |
Correct |
26 ms |
19588 KB |
Output is correct |
53 |
Correct |
20 ms |
19660 KB |
Output is correct |
54 |
Correct |
22 ms |
19660 KB |
Output is correct |
55 |
Correct |
27 ms |
19660 KB |
Output is correct |
56 |
Correct |
26 ms |
19596 KB |
Output is correct |
57 |
Correct |
24 ms |
19680 KB |
Output is correct |
58 |
Correct |
20 ms |
19676 KB |
Output is correct |
59 |
Correct |
20 ms |
19676 KB |
Output is correct |
60 |
Correct |
24 ms |
19640 KB |
Output is correct |
61 |
Correct |
22 ms |
19616 KB |
Output is correct |
62 |
Correct |
961 ms |
43180 KB |
Output is correct |
63 |
Correct |
1123 ms |
42684 KB |
Output is correct |
64 |
Correct |
1496 ms |
43280 KB |
Output is correct |
65 |
Correct |
1838 ms |
43092 KB |
Output is correct |
66 |
Correct |
1448 ms |
43240 KB |
Output is correct |
67 |
Correct |
1790 ms |
43308 KB |
Output is correct |
68 |
Correct |
928 ms |
43068 KB |
Output is correct |
69 |
Correct |
927 ms |
43128 KB |
Output is correct |
70 |
Correct |
975 ms |
43100 KB |
Output is correct |
71 |
Correct |
983 ms |
43212 KB |
Output is correct |
72 |
Correct |
1321 ms |
43112 KB |
Output is correct |
73 |
Correct |
1511 ms |
43132 KB |
Output is correct |
74 |
Correct |
1648 ms |
43256 KB |
Output is correct |
75 |
Correct |
1864 ms |
43256 KB |
Output is correct |
76 |
Correct |
942 ms |
43516 KB |
Output is correct |
77 |
Correct |
1263 ms |
43120 KB |
Output is correct |
78 |
Correct |
1527 ms |
43104 KB |
Output is correct |
79 |
Correct |
1575 ms |
43124 KB |
Output is correct |
80 |
Correct |
1403 ms |
43096 KB |
Output is correct |
81 |
Correct |
1606 ms |
43156 KB |
Output is correct |
82 |
Correct |
941 ms |
43108 KB |
Output is correct |
83 |
Correct |
931 ms |
43080 KB |
Output is correct |
84 |
Correct |
948 ms |
43080 KB |
Output is correct |
85 |
Correct |
1239 ms |
43208 KB |
Output is correct |
86 |
Correct |
1598 ms |
43120 KB |
Output is correct |
87 |
Correct |
1457 ms |
43144 KB |
Output is correct |
88 |
Correct |
1721 ms |
43116 KB |
Output is correct |
89 |
Correct |
1803 ms |
43164 KB |
Output is correct |
90 |
Correct |
1758 ms |
43164 KB |
Output is correct |
91 |
Correct |
1638 ms |
43040 KB |
Output is correct |
92 |
Correct |
1219 ms |
43156 KB |
Output is correct |
93 |
Correct |
1534 ms |
43176 KB |
Output is correct |
94 |
Correct |
1604 ms |
43072 KB |
Output is correct |
95 |
Correct |
1570 ms |
43140 KB |
Output is correct |
96 |
Correct |
1688 ms |
43044 KB |
Output is correct |
97 |
Correct |
1713 ms |
43212 KB |
Output is correct |
98 |
Correct |
1618 ms |
43140 KB |
Output is correct |
99 |
Correct |
1644 ms |
43120 KB |
Output is correct |
100 |
Correct |
1627 ms |
43388 KB |
Output is correct |
101 |
Correct |
982 ms |
43092 KB |
Output is correct |
102 |
Correct |
1024 ms |
43144 KB |
Output is correct |
103 |
Correct |
1074 ms |
43132 KB |
Output is correct |
104 |
Correct |
1164 ms |
43140 KB |
Output is correct |
105 |
Correct |
1365 ms |
43152 KB |
Output is correct |
106 |
Correct |
1249 ms |
43124 KB |
Output is correct |
107 |
Correct |
1404 ms |
43200 KB |
Output is correct |
108 |
Correct |
1589 ms |
43172 KB |
Output is correct |
109 |
Correct |
1474 ms |
43084 KB |
Output is correct |
110 |
Correct |
1679 ms |
43212 KB |
Output is correct |
111 |
Correct |
1708 ms |
43168 KB |
Output is correct |
112 |
Correct |
1320 ms |
43132 KB |
Output is correct |
113 |
Correct |
1643 ms |
43152 KB |
Output is correct |
114 |
Correct |
1652 ms |
43052 KB |
Output is correct |
115 |
Correct |
963 ms |
43144 KB |
Output is correct |
116 |
Correct |
966 ms |
43136 KB |
Output is correct |
117 |
Correct |
1010 ms |
43064 KB |
Output is correct |
118 |
Correct |
1037 ms |
43076 KB |
Output is correct |
119 |
Correct |
1288 ms |
43072 KB |
Output is correct |
120 |
Correct |
1262 ms |
43080 KB |
Output is correct |