#include <bits/stdc++.h>
#define ll long long
using namespace std;
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
vector<ll>fen;
ll sz;
void upd(ll i,ll x){
while(i>0){
fen[i]=min(fen[i],x);
i-=i&(-i);
}
}
int cal(int i){
ll v=1e9;
while(i<sz){
v=min(v,fen[i]);
i+=i&(-i);
}
return v;
}
int main(){
int n,m;
cin>>n>>m;
vector<int>A;
vector<int>h(n+1);
A.push_back(0);
A.push_back(-(n+1)*m);
for(int i=1;i<=n;i++){
cin>>h[i];
A.push_back(h[i]-i*m);
}
h.push_back(0);
sort(A.begin(),A.end());
vector<ll>dp(n+10000+1,1e9);
fen=dp;
sz=n+10000+1;
fen=dp;
dp[0]=0;
upd(upper_bound(A.begin(),A.end(),0)-A.begin(),-1);
for(int i=1;i<=n+1;i++){
ll pos=upper_bound(A.begin(),A.end(),h[i]-i*m)-A.begin();
ll val=cal(pos);
dp[i]=val+i;
upd(pos,dp[i]-i-1);
}
cout<<dp[n+1]<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
2 ms |
468 KB |
Output is correct |
21 |
Correct |
2 ms |
596 KB |
Output is correct |
22 |
Correct |
3 ms |
596 KB |
Output is correct |
23 |
Correct |
3 ms |
596 KB |
Output is correct |
24 |
Correct |
3 ms |
608 KB |
Output is correct |
25 |
Correct |
2 ms |
516 KB |
Output is correct |
26 |
Correct |
3 ms |
596 KB |
Output is correct |
27 |
Correct |
2 ms |
596 KB |
Output is correct |
28 |
Correct |
2 ms |
596 KB |
Output is correct |
29 |
Correct |
3 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
596 KB |
Output is correct |
31 |
Correct |
3 ms |
624 KB |
Output is correct |
32 |
Correct |
2 ms |
596 KB |
Output is correct |
33 |
Correct |
2 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
468 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
3 ms |
596 KB |
Output is correct |
7 |
Correct |
3 ms |
596 KB |
Output is correct |
8 |
Correct |
3 ms |
608 KB |
Output is correct |
9 |
Correct |
2 ms |
516 KB |
Output is correct |
10 |
Correct |
3 ms |
596 KB |
Output is correct |
11 |
Correct |
2 ms |
596 KB |
Output is correct |
12 |
Correct |
2 ms |
596 KB |
Output is correct |
13 |
Correct |
3 ms |
596 KB |
Output is correct |
14 |
Correct |
2 ms |
596 KB |
Output is correct |
15 |
Correct |
3 ms |
624 KB |
Output is correct |
16 |
Correct |
2 ms |
596 KB |
Output is correct |
17 |
Correct |
2 ms |
596 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
0 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
4 ms |
596 KB |
Output is correct |
35 |
Correct |
4 ms |
596 KB |
Output is correct |
36 |
Correct |
4 ms |
596 KB |
Output is correct |
37 |
Correct |
3 ms |
596 KB |
Output is correct |
38 |
Correct |
3 ms |
596 KB |
Output is correct |
39 |
Correct |
3 ms |
596 KB |
Output is correct |
40 |
Correct |
2 ms |
596 KB |
Output is correct |
41 |
Correct |
2 ms |
596 KB |
Output is correct |
42 |
Correct |
2 ms |
596 KB |
Output is correct |
43 |
Correct |
3 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
596 KB |
Output is correct |
2 |
Correct |
4 ms |
596 KB |
Output is correct |
3 |
Correct |
4 ms |
596 KB |
Output is correct |
4 |
Correct |
3 ms |
596 KB |
Output is correct |
5 |
Correct |
3 ms |
596 KB |
Output is correct |
6 |
Correct |
3 ms |
596 KB |
Output is correct |
7 |
Correct |
2 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
596 KB |
Output is correct |
9 |
Correct |
2 ms |
596 KB |
Output is correct |
10 |
Correct |
3 ms |
596 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
2 ms |
468 KB |
Output is correct |
15 |
Correct |
2 ms |
596 KB |
Output is correct |
16 |
Correct |
3 ms |
596 KB |
Output is correct |
17 |
Correct |
3 ms |
596 KB |
Output is correct |
18 |
Correct |
3 ms |
608 KB |
Output is correct |
19 |
Correct |
2 ms |
516 KB |
Output is correct |
20 |
Correct |
3 ms |
596 KB |
Output is correct |
21 |
Correct |
2 ms |
596 KB |
Output is correct |
22 |
Correct |
2 ms |
596 KB |
Output is correct |
23 |
Correct |
3 ms |
596 KB |
Output is correct |
24 |
Correct |
2 ms |
596 KB |
Output is correct |
25 |
Correct |
3 ms |
624 KB |
Output is correct |
26 |
Correct |
2 ms |
596 KB |
Output is correct |
27 |
Correct |
2 ms |
596 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
0 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
0 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
64 ms |
5188 KB |
Output is correct |
45 |
Correct |
149 ms |
5168 KB |
Output is correct |
46 |
Correct |
130 ms |
5320 KB |
Output is correct |
47 |
Correct |
125 ms |
5204 KB |
Output is correct |
48 |
Correct |
78 ms |
5164 KB |
Output is correct |
49 |
Correct |
98 ms |
5244 KB |
Output is correct |
50 |
Correct |
120 ms |
5184 KB |
Output is correct |
51 |
Correct |
93 ms |
5256 KB |
Output is correct |
52 |
Correct |
67 ms |
5340 KB |
Output is correct |
53 |
Correct |
67 ms |
5360 KB |
Output is correct |
54 |
Correct |
85 ms |
5268 KB |
Output is correct |
55 |
Correct |
99 ms |
5168 KB |
Output is correct |