#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
#define fast_io; ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
const ll MO=1e9+7;//998244353//1e9+9;
//ll tavmd(ll a,ll b){if(b==0){return 1;}if(b%2==0){ll x=tavmd(a,b/2);return(x*x)%MOd;}else{return(a%MOd*tavmd(a,b-1)%MOd)%MOd;}}
const ll MAXN=3e5+10;
const ll INF=8e18;
const ll LOG=30;
ll r[MAXN],a[MAXN],seg[4*MAXN],dp[MAXN];
vector<pair<ll,ll>>v;
set<ll>s;
void change(ll v,ll l,ll r,ll idx,ll x) {
if(l==r){
seg[v]=x;
return;
}
ll mid=(l+r)/2;
if(idx<=mid)
change(2*v,l,mid,idx,x);
else
change(2*v+1,mid+1,r,idx,x);
seg[v]=max(seg[2*v],seg[2*v+1]);
}
ll query(ll v,ll l,ll r,ll s,ll e){
if(s<=l&&r<=e)
return seg[v];
ll res=0,mid=(l+r)/2;
if(s<=mid)
res=max(res,query(2*v,l,mid,s,e));
if(e>mid)
res=max(res,query(2*v+1,mid+1,r,s,e));
return res;
}
int main(){
fast_io;
ll n,d;
cin>>n>>d;
for(int i=1;i<=n;i++){
cin>>a[i];
v.push_back({a[i],-i});
if(i<=n-d+1)
s.insert(i);
}
sort(v.begin(),v.end());
for(auto xx:v){
ll idx=-xx.second;
auto x=s.upper_bound(idx);
r[idx]=min(n,(x==s.end()?n:*x+d-1));
while(!s.empty()){
auto x=s.lower_bound(max(0ll,idx-d+1));
if(x==s.end()||*x>idx)
break;
s.erase(x);
}
}
fill(seg,seg+4*MAXN,-INF);
change(1ll,1ll,n,n,0ll);
sort(v.rbegin(),v.rend());
for(int i=0;i<n;i++) {
ll idx=-v[i].second;
dp[idx]=query(1ll,1ll,n,idx,r[idx])+1ll;
change(1ll,1ll,n,idx,dp[idx]);
}
ll res=0;
for(int i=1;i<=n;i++){
res=max(res,dp[i]);
}
cout<<res;
return 0;
}
Compilation message
Main.cpp:5:9: warning: ISO C++11 requires whitespace after the macro name
5 | #define fast_io; ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
| ^~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
9684 KB |
Output is correct |
2 |
Correct |
4 ms |
9684 KB |
Output is correct |
3 |
Correct |
5 ms |
9684 KB |
Output is correct |
4 |
Correct |
4 ms |
9684 KB |
Output is correct |
5 |
Correct |
5 ms |
9684 KB |
Output is correct |
6 |
Correct |
4 ms |
9684 KB |
Output is correct |
7 |
Correct |
5 ms |
9684 KB |
Output is correct |
8 |
Correct |
4 ms |
9684 KB |
Output is correct |
9 |
Correct |
4 ms |
9684 KB |
Output is correct |
10 |
Correct |
4 ms |
9684 KB |
Output is correct |
11 |
Correct |
5 ms |
9684 KB |
Output is correct |
12 |
Correct |
5 ms |
9684 KB |
Output is correct |
13 |
Correct |
4 ms |
9684 KB |
Output is correct |
14 |
Correct |
5 ms |
9684 KB |
Output is correct |
15 |
Correct |
4 ms |
9684 KB |
Output is correct |
16 |
Correct |
4 ms |
9672 KB |
Output is correct |
17 |
Correct |
5 ms |
9684 KB |
Output is correct |
18 |
Correct |
5 ms |
9684 KB |
Output is correct |
19 |
Correct |
5 ms |
9684 KB |
Output is correct |
20 |
Correct |
4 ms |
9684 KB |
Output is correct |
21 |
Correct |
6 ms |
9684 KB |
Output is correct |
22 |
Correct |
5 ms |
9684 KB |
Output is correct |
23 |
Correct |
5 ms |
9684 KB |
Output is correct |
24 |
Correct |
5 ms |
9728 KB |
Output is correct |
25 |
Correct |
5 ms |
9684 KB |
Output is correct |
26 |
Correct |
4 ms |
9684 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
9684 KB |
Output is correct |
2 |
Correct |
4 ms |
9684 KB |
Output is correct |
3 |
Correct |
5 ms |
9684 KB |
Output is correct |
4 |
Correct |
4 ms |
9684 KB |
Output is correct |
5 |
Correct |
5 ms |
9684 KB |
Output is correct |
6 |
Correct |
4 ms |
9684 KB |
Output is correct |
7 |
Correct |
5 ms |
9684 KB |
Output is correct |
8 |
Correct |
4 ms |
9684 KB |
Output is correct |
9 |
Correct |
4 ms |
9684 KB |
Output is correct |
10 |
Correct |
4 ms |
9684 KB |
Output is correct |
11 |
Correct |
5 ms |
9684 KB |
Output is correct |
12 |
Correct |
5 ms |
9684 KB |
Output is correct |
13 |
Correct |
4 ms |
9684 KB |
Output is correct |
14 |
Correct |
5 ms |
9684 KB |
Output is correct |
15 |
Correct |
4 ms |
9684 KB |
Output is correct |
16 |
Correct |
4 ms |
9672 KB |
Output is correct |
17 |
Correct |
5 ms |
9684 KB |
Output is correct |
18 |
Correct |
5 ms |
9684 KB |
Output is correct |
19 |
Correct |
5 ms |
9684 KB |
Output is correct |
20 |
Correct |
4 ms |
9684 KB |
Output is correct |
21 |
Correct |
6 ms |
9684 KB |
Output is correct |
22 |
Correct |
5 ms |
9684 KB |
Output is correct |
23 |
Correct |
5 ms |
9684 KB |
Output is correct |
24 |
Correct |
5 ms |
9728 KB |
Output is correct |
25 |
Correct |
5 ms |
9684 KB |
Output is correct |
26 |
Correct |
4 ms |
9684 KB |
Output is correct |
27 |
Correct |
5 ms |
9684 KB |
Output is correct |
28 |
Correct |
5 ms |
9676 KB |
Output is correct |
29 |
Correct |
4 ms |
9684 KB |
Output is correct |
30 |
Correct |
5 ms |
9712 KB |
Output is correct |
31 |
Correct |
6 ms |
9732 KB |
Output is correct |
32 |
Correct |
5 ms |
9684 KB |
Output is correct |
33 |
Correct |
5 ms |
9732 KB |
Output is correct |
34 |
Correct |
6 ms |
9684 KB |
Output is correct |
35 |
Correct |
5 ms |
9684 KB |
Output is correct |
36 |
Correct |
5 ms |
9684 KB |
Output is correct |
37 |
Correct |
5 ms |
9684 KB |
Output is correct |
38 |
Correct |
6 ms |
9684 KB |
Output is correct |
39 |
Correct |
6 ms |
9684 KB |
Output is correct |
40 |
Correct |
6 ms |
9684 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
9684 KB |
Output is correct |
2 |
Correct |
4 ms |
9684 KB |
Output is correct |
3 |
Correct |
5 ms |
9684 KB |
Output is correct |
4 |
Correct |
4 ms |
9684 KB |
Output is correct |
5 |
Correct |
5 ms |
9684 KB |
Output is correct |
6 |
Correct |
4 ms |
9684 KB |
Output is correct |
7 |
Correct |
5 ms |
9684 KB |
Output is correct |
8 |
Correct |
4 ms |
9684 KB |
Output is correct |
9 |
Correct |
4 ms |
9684 KB |
Output is correct |
10 |
Correct |
4 ms |
9684 KB |
Output is correct |
11 |
Correct |
5 ms |
9684 KB |
Output is correct |
12 |
Correct |
5 ms |
9684 KB |
Output is correct |
13 |
Correct |
4 ms |
9684 KB |
Output is correct |
14 |
Correct |
5 ms |
9684 KB |
Output is correct |
15 |
Correct |
4 ms |
9684 KB |
Output is correct |
16 |
Correct |
4 ms |
9672 KB |
Output is correct |
17 |
Correct |
5 ms |
9684 KB |
Output is correct |
18 |
Correct |
5 ms |
9684 KB |
Output is correct |
19 |
Correct |
5 ms |
9684 KB |
Output is correct |
20 |
Correct |
4 ms |
9684 KB |
Output is correct |
21 |
Correct |
6 ms |
9684 KB |
Output is correct |
22 |
Correct |
5 ms |
9684 KB |
Output is correct |
23 |
Correct |
5 ms |
9684 KB |
Output is correct |
24 |
Correct |
5 ms |
9728 KB |
Output is correct |
25 |
Correct |
5 ms |
9684 KB |
Output is correct |
26 |
Correct |
4 ms |
9684 KB |
Output is correct |
27 |
Correct |
5 ms |
9684 KB |
Output is correct |
28 |
Correct |
5 ms |
9676 KB |
Output is correct |
29 |
Correct |
4 ms |
9684 KB |
Output is correct |
30 |
Correct |
5 ms |
9712 KB |
Output is correct |
31 |
Correct |
6 ms |
9732 KB |
Output is correct |
32 |
Correct |
5 ms |
9684 KB |
Output is correct |
33 |
Correct |
5 ms |
9732 KB |
Output is correct |
34 |
Correct |
6 ms |
9684 KB |
Output is correct |
35 |
Correct |
5 ms |
9684 KB |
Output is correct |
36 |
Correct |
5 ms |
9684 KB |
Output is correct |
37 |
Correct |
5 ms |
9684 KB |
Output is correct |
38 |
Correct |
6 ms |
9684 KB |
Output is correct |
39 |
Correct |
6 ms |
9684 KB |
Output is correct |
40 |
Correct |
6 ms |
9684 KB |
Output is correct |
41 |
Correct |
11 ms |
10324 KB |
Output is correct |
42 |
Correct |
10 ms |
10324 KB |
Output is correct |
43 |
Correct |
9 ms |
10324 KB |
Output is correct |
44 |
Correct |
9 ms |
10196 KB |
Output is correct |
45 |
Correct |
9 ms |
10300 KB |
Output is correct |
46 |
Correct |
9 ms |
10068 KB |
Output is correct |
47 |
Correct |
13 ms |
10216 KB |
Output is correct |
48 |
Correct |
9 ms |
10324 KB |
Output is correct |
49 |
Correct |
11 ms |
10236 KB |
Output is correct |
50 |
Correct |
9 ms |
10324 KB |
Output is correct |
51 |
Correct |
9 ms |
10324 KB |
Output is correct |
52 |
Correct |
10 ms |
10324 KB |
Output is correct |
53 |
Correct |
8 ms |
10324 KB |
Output is correct |
54 |
Correct |
9 ms |
10292 KB |
Output is correct |
55 |
Correct |
8 ms |
10324 KB |
Output is correct |
56 |
Correct |
8 ms |
10224 KB |
Output is correct |
57 |
Correct |
8 ms |
10324 KB |
Output is correct |
58 |
Correct |
6 ms |
10068 KB |
Output is correct |
59 |
Correct |
6 ms |
10068 KB |
Output is correct |
60 |
Correct |
8 ms |
10196 KB |
Output is correct |
61 |
Correct |
8 ms |
10216 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
229 ms |
35500 KB |
Output is correct |
2 |
Correct |
369 ms |
35468 KB |
Output is correct |
3 |
Correct |
412 ms |
35432 KB |
Output is correct |
4 |
Correct |
575 ms |
35492 KB |
Output is correct |
5 |
Correct |
381 ms |
35536 KB |
Output is correct |
6 |
Correct |
536 ms |
35452 KB |
Output is correct |
7 |
Correct |
224 ms |
35316 KB |
Output is correct |
8 |
Correct |
220 ms |
35508 KB |
Output is correct |
9 |
Correct |
271 ms |
35532 KB |
Output is correct |
10 |
Correct |
239 ms |
35512 KB |
Output is correct |
11 |
Correct |
360 ms |
35492 KB |
Output is correct |
12 |
Correct |
370 ms |
35584 KB |
Output is correct |
13 |
Correct |
364 ms |
35420 KB |
Output is correct |
14 |
Correct |
430 ms |
35480 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
124 ms |
21480 KB |
Output is correct |
2 |
Correct |
232 ms |
21568 KB |
Output is correct |
3 |
Correct |
263 ms |
21540 KB |
Output is correct |
4 |
Correct |
222 ms |
21464 KB |
Output is correct |
5 |
Correct |
219 ms |
21496 KB |
Output is correct |
6 |
Correct |
248 ms |
21576 KB |
Output is correct |
7 |
Correct |
118 ms |
21476 KB |
Output is correct |
8 |
Correct |
123 ms |
21544 KB |
Output is correct |
9 |
Correct |
131 ms |
21464 KB |
Output is correct |
10 |
Correct |
157 ms |
21440 KB |
Output is correct |
11 |
Correct |
232 ms |
21588 KB |
Output is correct |
12 |
Correct |
160 ms |
21560 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
9684 KB |
Output is correct |
2 |
Correct |
4 ms |
9684 KB |
Output is correct |
3 |
Correct |
5 ms |
9684 KB |
Output is correct |
4 |
Correct |
4 ms |
9684 KB |
Output is correct |
5 |
Correct |
5 ms |
9684 KB |
Output is correct |
6 |
Correct |
4 ms |
9684 KB |
Output is correct |
7 |
Correct |
5 ms |
9684 KB |
Output is correct |
8 |
Correct |
4 ms |
9684 KB |
Output is correct |
9 |
Correct |
4 ms |
9684 KB |
Output is correct |
10 |
Correct |
4 ms |
9684 KB |
Output is correct |
11 |
Correct |
5 ms |
9684 KB |
Output is correct |
12 |
Correct |
5 ms |
9684 KB |
Output is correct |
13 |
Correct |
4 ms |
9684 KB |
Output is correct |
14 |
Correct |
5 ms |
9684 KB |
Output is correct |
15 |
Correct |
4 ms |
9684 KB |
Output is correct |
16 |
Correct |
4 ms |
9672 KB |
Output is correct |
17 |
Correct |
5 ms |
9684 KB |
Output is correct |
18 |
Correct |
5 ms |
9684 KB |
Output is correct |
19 |
Correct |
5 ms |
9684 KB |
Output is correct |
20 |
Correct |
4 ms |
9684 KB |
Output is correct |
21 |
Correct |
6 ms |
9684 KB |
Output is correct |
22 |
Correct |
5 ms |
9684 KB |
Output is correct |
23 |
Correct |
5 ms |
9684 KB |
Output is correct |
24 |
Correct |
5 ms |
9728 KB |
Output is correct |
25 |
Correct |
5 ms |
9684 KB |
Output is correct |
26 |
Correct |
4 ms |
9684 KB |
Output is correct |
27 |
Correct |
5 ms |
9684 KB |
Output is correct |
28 |
Correct |
5 ms |
9676 KB |
Output is correct |
29 |
Correct |
4 ms |
9684 KB |
Output is correct |
30 |
Correct |
5 ms |
9712 KB |
Output is correct |
31 |
Correct |
6 ms |
9732 KB |
Output is correct |
32 |
Correct |
5 ms |
9684 KB |
Output is correct |
33 |
Correct |
5 ms |
9732 KB |
Output is correct |
34 |
Correct |
6 ms |
9684 KB |
Output is correct |
35 |
Correct |
5 ms |
9684 KB |
Output is correct |
36 |
Correct |
5 ms |
9684 KB |
Output is correct |
37 |
Correct |
5 ms |
9684 KB |
Output is correct |
38 |
Correct |
6 ms |
9684 KB |
Output is correct |
39 |
Correct |
6 ms |
9684 KB |
Output is correct |
40 |
Correct |
6 ms |
9684 KB |
Output is correct |
41 |
Correct |
11 ms |
10324 KB |
Output is correct |
42 |
Correct |
10 ms |
10324 KB |
Output is correct |
43 |
Correct |
9 ms |
10324 KB |
Output is correct |
44 |
Correct |
9 ms |
10196 KB |
Output is correct |
45 |
Correct |
9 ms |
10300 KB |
Output is correct |
46 |
Correct |
9 ms |
10068 KB |
Output is correct |
47 |
Correct |
13 ms |
10216 KB |
Output is correct |
48 |
Correct |
9 ms |
10324 KB |
Output is correct |
49 |
Correct |
11 ms |
10236 KB |
Output is correct |
50 |
Correct |
9 ms |
10324 KB |
Output is correct |
51 |
Correct |
9 ms |
10324 KB |
Output is correct |
52 |
Correct |
10 ms |
10324 KB |
Output is correct |
53 |
Correct |
8 ms |
10324 KB |
Output is correct |
54 |
Correct |
9 ms |
10292 KB |
Output is correct |
55 |
Correct |
8 ms |
10324 KB |
Output is correct |
56 |
Correct |
8 ms |
10224 KB |
Output is correct |
57 |
Correct |
8 ms |
10324 KB |
Output is correct |
58 |
Correct |
6 ms |
10068 KB |
Output is correct |
59 |
Correct |
6 ms |
10068 KB |
Output is correct |
60 |
Correct |
8 ms |
10196 KB |
Output is correct |
61 |
Correct |
8 ms |
10216 KB |
Output is correct |
62 |
Correct |
229 ms |
35500 KB |
Output is correct |
63 |
Correct |
369 ms |
35468 KB |
Output is correct |
64 |
Correct |
412 ms |
35432 KB |
Output is correct |
65 |
Correct |
575 ms |
35492 KB |
Output is correct |
66 |
Correct |
381 ms |
35536 KB |
Output is correct |
67 |
Correct |
536 ms |
35452 KB |
Output is correct |
68 |
Correct |
224 ms |
35316 KB |
Output is correct |
69 |
Correct |
220 ms |
35508 KB |
Output is correct |
70 |
Correct |
271 ms |
35532 KB |
Output is correct |
71 |
Correct |
239 ms |
35512 KB |
Output is correct |
72 |
Correct |
360 ms |
35492 KB |
Output is correct |
73 |
Correct |
370 ms |
35584 KB |
Output is correct |
74 |
Correct |
364 ms |
35420 KB |
Output is correct |
75 |
Correct |
430 ms |
35480 KB |
Output is correct |
76 |
Correct |
124 ms |
21480 KB |
Output is correct |
77 |
Correct |
232 ms |
21568 KB |
Output is correct |
78 |
Correct |
263 ms |
21540 KB |
Output is correct |
79 |
Correct |
222 ms |
21464 KB |
Output is correct |
80 |
Correct |
219 ms |
21496 KB |
Output is correct |
81 |
Correct |
248 ms |
21576 KB |
Output is correct |
82 |
Correct |
118 ms |
21476 KB |
Output is correct |
83 |
Correct |
123 ms |
21544 KB |
Output is correct |
84 |
Correct |
131 ms |
21464 KB |
Output is correct |
85 |
Correct |
157 ms |
21440 KB |
Output is correct |
86 |
Correct |
232 ms |
21588 KB |
Output is correct |
87 |
Correct |
160 ms |
21560 KB |
Output is correct |
88 |
Correct |
529 ms |
35452 KB |
Output is correct |
89 |
Correct |
450 ms |
35460 KB |
Output is correct |
90 |
Correct |
458 ms |
35456 KB |
Output is correct |
91 |
Correct |
313 ms |
35532 KB |
Output is correct |
92 |
Correct |
280 ms |
35528 KB |
Output is correct |
93 |
Correct |
354 ms |
34900 KB |
Output is correct |
94 |
Correct |
245 ms |
25572 KB |
Output is correct |
95 |
Correct |
395 ms |
35560 KB |
Output is correct |
96 |
Correct |
401 ms |
35484 KB |
Output is correct |
97 |
Correct |
374 ms |
35416 KB |
Output is correct |
98 |
Correct |
311 ms |
35416 KB |
Output is correct |
99 |
Correct |
317 ms |
35476 KB |
Output is correct |
100 |
Correct |
321 ms |
35400 KB |
Output is correct |
101 |
Correct |
266 ms |
35612 KB |
Output is correct |
102 |
Correct |
238 ms |
35500 KB |
Output is correct |
103 |
Correct |
264 ms |
35528 KB |
Output is correct |
104 |
Correct |
326 ms |
35400 KB |
Output is correct |
105 |
Correct |
292 ms |
34572 KB |
Output is correct |
106 |
Correct |
319 ms |
35500 KB |
Output is correct |
107 |
Correct |
266 ms |
35420 KB |
Output is correct |
108 |
Correct |
388 ms |
35236 KB |
Output is correct |
109 |
Correct |
312 ms |
35540 KB |
Output is correct |
110 |
Correct |
376 ms |
35492 KB |
Output is correct |
111 |
Correct |
292 ms |
35492 KB |
Output is correct |
112 |
Correct |
287 ms |
35256 KB |
Output is correct |
113 |
Correct |
281 ms |
35356 KB |
Output is correct |
114 |
Correct |
266 ms |
35372 KB |
Output is correct |
115 |
Correct |
117 ms |
21548 KB |
Output is correct |
116 |
Correct |
129 ms |
21544 KB |
Output is correct |
117 |
Correct |
179 ms |
28460 KB |
Output is correct |
118 |
Correct |
176 ms |
28448 KB |
Output is correct |
119 |
Correct |
261 ms |
35500 KB |
Output is correct |
120 |
Correct |
261 ms |
35528 KB |
Output is correct |