#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
inline ll get(pl l,ll x)
{
return l.fi*x+l.se;
}
struct node
{
pl ln;
int l,r;
node(){ln=pl(0,INF),l=r=0;}
}t[1000010];
int tct;
int rt;
void put(int&n,int s,int e,pl l)
{
if(s>e)
return;
if(n==0)
n=++tct;
pl ln=t[n].ln;
if(get(l,s)>get(ln,s))
swap(l,ln);
if(get(l,e)<=get(ln,e))
{
t[n].ln=l;
return;
}
int m=s+(e-s)/2;
if(get(l,m)<get(ln,m))
{
t[n].ln=l;
put(t[n].r,m+1,e,ln);
}
else
{
t[n].ln=ln;
put(t[n].l,s,m-1,l);
}
return;
}
ll get(int n,int s,int e,int x)
{
if(n==0)
return INF;
ll ret=get(t[n].ln,x);
int m=s+(e-s)/2;
if(x<m)
ret=min(ret,get(t[n].l,s,m-1,x));
if(x>m)
ret=min(ret,get(t[n].r,m+1,e,x));
return ret;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin>>n;
vector<int>v(n);
for(int&t:v)
cin>>t;
{
int mx=v[0];
for(int&t:v)
t=mx=max(mx,t);
}
v.insert(v.begin(),0);
vector<ll>dp(n+1,0);
for(int i=0;i++<n;)
{
put(rt,1,inf,pl(-(i-1),dp[i-1]));
dp[i]=get(rt,1,inf,v[i])+(ll)v[i]*n;
}
cout<<dp[n]<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
23808 KB |
Output is correct |
2 |
Correct |
14 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23808 KB |
Output is correct |
4 |
Correct |
15 ms |
23808 KB |
Output is correct |
5 |
Correct |
15 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23936 KB |
Output is correct |
7 |
Correct |
15 ms |
23808 KB |
Output is correct |
8 |
Correct |
15 ms |
23808 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
15 ms |
23808 KB |
Output is correct |
11 |
Correct |
15 ms |
23808 KB |
Output is correct |
12 |
Correct |
15 ms |
23808 KB |
Output is correct |
13 |
Correct |
15 ms |
23808 KB |
Output is correct |
14 |
Correct |
14 ms |
23808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23808 KB |
Output is correct |
4 |
Correct |
15 ms |
23808 KB |
Output is correct |
5 |
Correct |
15 ms |
23808 KB |
Output is correct |
6 |
Correct |
15 ms |
23808 KB |
Output is correct |
7 |
Correct |
16 ms |
23808 KB |
Output is correct |
8 |
Correct |
15 ms |
23808 KB |
Output is correct |
9 |
Correct |
18 ms |
23808 KB |
Output is correct |
10 |
Correct |
15 ms |
23808 KB |
Output is correct |
11 |
Correct |
18 ms |
23808 KB |
Output is correct |
12 |
Correct |
16 ms |
23808 KB |
Output is correct |
13 |
Correct |
15 ms |
23808 KB |
Output is correct |
14 |
Correct |
15 ms |
23808 KB |
Output is correct |
15 |
Correct |
15 ms |
23808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23808 KB |
Output is correct |
4 |
Correct |
15 ms |
23808 KB |
Output is correct |
5 |
Correct |
15 ms |
23808 KB |
Output is correct |
6 |
Correct |
15 ms |
23808 KB |
Output is correct |
7 |
Correct |
16 ms |
23808 KB |
Output is correct |
8 |
Correct |
15 ms |
23808 KB |
Output is correct |
9 |
Correct |
18 ms |
23808 KB |
Output is correct |
10 |
Correct |
15 ms |
23808 KB |
Output is correct |
11 |
Correct |
18 ms |
23808 KB |
Output is correct |
12 |
Correct |
16 ms |
23808 KB |
Output is correct |
13 |
Correct |
15 ms |
23808 KB |
Output is correct |
14 |
Correct |
15 ms |
23808 KB |
Output is correct |
15 |
Correct |
15 ms |
23808 KB |
Output is correct |
16 |
Correct |
227 ms |
40628 KB |
Output is correct |
17 |
Correct |
246 ms |
41404 KB |
Output is correct |
18 |
Correct |
186 ms |
39988 KB |
Output is correct |
19 |
Correct |
221 ms |
41404 KB |
Output is correct |
20 |
Correct |
216 ms |
41268 KB |
Output is correct |
21 |
Correct |
214 ms |
41396 KB |
Output is correct |
22 |
Correct |
224 ms |
41012 KB |
Output is correct |
23 |
Correct |
226 ms |
42036 KB |
Output is correct |
24 |
Correct |
223 ms |
41516 KB |
Output is correct |
25 |
Correct |
226 ms |
41780 KB |
Output is correct |
26 |
Correct |
224 ms |
42164 KB |
Output is correct |
27 |
Correct |
220 ms |
40756 KB |
Output is correct |
28 |
Correct |
239 ms |
41396 KB |
Output is correct |
29 |
Correct |
230 ms |
41524 KB |
Output is correct |
30 |
Correct |
229 ms |
42036 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
170 ms |
45244 KB |
Output is correct |
2 |
Correct |
151 ms |
45248 KB |
Output is correct |
3 |
Correct |
152 ms |
45236 KB |
Output is correct |
4 |
Correct |
152 ms |
45236 KB |
Output is correct |
5 |
Correct |
147 ms |
45236 KB |
Output is correct |
6 |
Correct |
153 ms |
45504 KB |
Output is correct |
7 |
Correct |
148 ms |
45236 KB |
Output is correct |
8 |
Correct |
146 ms |
45244 KB |
Output is correct |
9 |
Correct |
147 ms |
45236 KB |
Output is correct |
10 |
Correct |
147 ms |
45312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
23808 KB |
Output is correct |
2 |
Correct |
14 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23808 KB |
Output is correct |
4 |
Correct |
15 ms |
23808 KB |
Output is correct |
5 |
Correct |
15 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23936 KB |
Output is correct |
7 |
Correct |
15 ms |
23808 KB |
Output is correct |
8 |
Correct |
15 ms |
23808 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
15 ms |
23808 KB |
Output is correct |
11 |
Correct |
15 ms |
23808 KB |
Output is correct |
12 |
Correct |
15 ms |
23808 KB |
Output is correct |
13 |
Correct |
15 ms |
23808 KB |
Output is correct |
14 |
Correct |
14 ms |
23808 KB |
Output is correct |
15 |
Correct |
15 ms |
23808 KB |
Output is correct |
16 |
Correct |
17 ms |
23808 KB |
Output is correct |
17 |
Correct |
15 ms |
23808 KB |
Output is correct |
18 |
Correct |
15 ms |
23808 KB |
Output is correct |
19 |
Correct |
15 ms |
23808 KB |
Output is correct |
20 |
Correct |
15 ms |
23808 KB |
Output is correct |
21 |
Correct |
16 ms |
23808 KB |
Output is correct |
22 |
Correct |
15 ms |
23808 KB |
Output is correct |
23 |
Correct |
18 ms |
23808 KB |
Output is correct |
24 |
Correct |
15 ms |
23808 KB |
Output is correct |
25 |
Correct |
18 ms |
23808 KB |
Output is correct |
26 |
Correct |
16 ms |
23808 KB |
Output is correct |
27 |
Correct |
15 ms |
23808 KB |
Output is correct |
28 |
Correct |
15 ms |
23808 KB |
Output is correct |
29 |
Correct |
15 ms |
23808 KB |
Output is correct |
30 |
Correct |
13 ms |
23852 KB |
Output is correct |
31 |
Correct |
13 ms |
23808 KB |
Output is correct |
32 |
Correct |
14 ms |
23808 KB |
Output is correct |
33 |
Correct |
14 ms |
23808 KB |
Output is correct |
34 |
Correct |
14 ms |
23808 KB |
Output is correct |
35 |
Correct |
13 ms |
23808 KB |
Output is correct |
36 |
Correct |
13 ms |
23808 KB |
Output is correct |
37 |
Correct |
14 ms |
23808 KB |
Output is correct |
38 |
Correct |
13 ms |
23808 KB |
Output is correct |
39 |
Correct |
14 ms |
23808 KB |
Output is correct |
40 |
Correct |
14 ms |
23808 KB |
Output is correct |
41 |
Correct |
13 ms |
23808 KB |
Output is correct |
42 |
Correct |
14 ms |
23808 KB |
Output is correct |
43 |
Correct |
13 ms |
23808 KB |
Output is correct |
44 |
Correct |
13 ms |
23808 KB |
Output is correct |
45 |
Correct |
14 ms |
23808 KB |
Output is correct |
46 |
Correct |
13 ms |
23808 KB |
Output is correct |
47 |
Correct |
14 ms |
23808 KB |
Output is correct |
48 |
Correct |
14 ms |
23808 KB |
Output is correct |
49 |
Correct |
14 ms |
23808 KB |
Output is correct |
50 |
Correct |
13 ms |
23808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
23808 KB |
Output is correct |
2 |
Correct |
14 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23808 KB |
Output is correct |
4 |
Correct |
15 ms |
23808 KB |
Output is correct |
5 |
Correct |
15 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23936 KB |
Output is correct |
7 |
Correct |
15 ms |
23808 KB |
Output is correct |
8 |
Correct |
15 ms |
23808 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
15 ms |
23808 KB |
Output is correct |
11 |
Correct |
15 ms |
23808 KB |
Output is correct |
12 |
Correct |
15 ms |
23808 KB |
Output is correct |
13 |
Correct |
15 ms |
23808 KB |
Output is correct |
14 |
Correct |
14 ms |
23808 KB |
Output is correct |
15 |
Correct |
15 ms |
23808 KB |
Output is correct |
16 |
Correct |
17 ms |
23808 KB |
Output is correct |
17 |
Correct |
15 ms |
23808 KB |
Output is correct |
18 |
Correct |
15 ms |
23808 KB |
Output is correct |
19 |
Correct |
15 ms |
23808 KB |
Output is correct |
20 |
Correct |
15 ms |
23808 KB |
Output is correct |
21 |
Correct |
16 ms |
23808 KB |
Output is correct |
22 |
Correct |
15 ms |
23808 KB |
Output is correct |
23 |
Correct |
18 ms |
23808 KB |
Output is correct |
24 |
Correct |
15 ms |
23808 KB |
Output is correct |
25 |
Correct |
18 ms |
23808 KB |
Output is correct |
26 |
Correct |
16 ms |
23808 KB |
Output is correct |
27 |
Correct |
15 ms |
23808 KB |
Output is correct |
28 |
Correct |
15 ms |
23808 KB |
Output is correct |
29 |
Correct |
15 ms |
23808 KB |
Output is correct |
30 |
Correct |
227 ms |
40628 KB |
Output is correct |
31 |
Correct |
246 ms |
41404 KB |
Output is correct |
32 |
Correct |
186 ms |
39988 KB |
Output is correct |
33 |
Correct |
221 ms |
41404 KB |
Output is correct |
34 |
Correct |
216 ms |
41268 KB |
Output is correct |
35 |
Correct |
214 ms |
41396 KB |
Output is correct |
36 |
Correct |
224 ms |
41012 KB |
Output is correct |
37 |
Correct |
226 ms |
42036 KB |
Output is correct |
38 |
Correct |
223 ms |
41516 KB |
Output is correct |
39 |
Correct |
226 ms |
41780 KB |
Output is correct |
40 |
Correct |
224 ms |
42164 KB |
Output is correct |
41 |
Correct |
220 ms |
40756 KB |
Output is correct |
42 |
Correct |
239 ms |
41396 KB |
Output is correct |
43 |
Correct |
230 ms |
41524 KB |
Output is correct |
44 |
Correct |
229 ms |
42036 KB |
Output is correct |
45 |
Correct |
170 ms |
45244 KB |
Output is correct |
46 |
Correct |
151 ms |
45248 KB |
Output is correct |
47 |
Correct |
152 ms |
45236 KB |
Output is correct |
48 |
Correct |
152 ms |
45236 KB |
Output is correct |
49 |
Correct |
147 ms |
45236 KB |
Output is correct |
50 |
Correct |
153 ms |
45504 KB |
Output is correct |
51 |
Correct |
148 ms |
45236 KB |
Output is correct |
52 |
Correct |
146 ms |
45244 KB |
Output is correct |
53 |
Correct |
147 ms |
45236 KB |
Output is correct |
54 |
Correct |
147 ms |
45312 KB |
Output is correct |
55 |
Correct |
13 ms |
23852 KB |
Output is correct |
56 |
Correct |
13 ms |
23808 KB |
Output is correct |
57 |
Correct |
14 ms |
23808 KB |
Output is correct |
58 |
Correct |
14 ms |
23808 KB |
Output is correct |
59 |
Correct |
14 ms |
23808 KB |
Output is correct |
60 |
Correct |
13 ms |
23808 KB |
Output is correct |
61 |
Correct |
13 ms |
23808 KB |
Output is correct |
62 |
Correct |
14 ms |
23808 KB |
Output is correct |
63 |
Correct |
13 ms |
23808 KB |
Output is correct |
64 |
Correct |
14 ms |
23808 KB |
Output is correct |
65 |
Correct |
14 ms |
23808 KB |
Output is correct |
66 |
Correct |
13 ms |
23808 KB |
Output is correct |
67 |
Correct |
14 ms |
23808 KB |
Output is correct |
68 |
Correct |
13 ms |
23808 KB |
Output is correct |
69 |
Correct |
13 ms |
23808 KB |
Output is correct |
70 |
Correct |
14 ms |
23808 KB |
Output is correct |
71 |
Correct |
13 ms |
23808 KB |
Output is correct |
72 |
Correct |
14 ms |
23808 KB |
Output is correct |
73 |
Correct |
14 ms |
23808 KB |
Output is correct |
74 |
Correct |
14 ms |
23808 KB |
Output is correct |
75 |
Correct |
13 ms |
23808 KB |
Output is correct |
76 |
Correct |
157 ms |
41524 KB |
Output is correct |
77 |
Correct |
161 ms |
41780 KB |
Output is correct |
78 |
Correct |
155 ms |
41012 KB |
Output is correct |
79 |
Correct |
153 ms |
41392 KB |
Output is correct |
80 |
Correct |
162 ms |
41916 KB |
Output is correct |
81 |
Correct |
169 ms |
41100 KB |
Output is correct |
82 |
Correct |
154 ms |
41140 KB |
Output is correct |
83 |
Correct |
163 ms |
41524 KB |
Output is correct |
84 |
Correct |
154 ms |
41396 KB |
Output is correct |
85 |
Correct |
161 ms |
41652 KB |
Output is correct |
86 |
Correct |
153 ms |
41012 KB |
Output is correct |
87 |
Correct |
162 ms |
40900 KB |
Output is correct |
88 |
Correct |
157 ms |
41268 KB |
Output is correct |
89 |
Correct |
163 ms |
41140 KB |
Output is correct |
90 |
Correct |
158 ms |
41016 KB |
Output is correct |
91 |
Correct |
150 ms |
40756 KB |
Output is correct |
92 |
Correct |
224 ms |
42160 KB |
Output is correct |
93 |
Correct |
226 ms |
41516 KB |
Output is correct |
94 |
Correct |
160 ms |
40628 KB |
Output is correct |
95 |
Correct |
168 ms |
42052 KB |
Output is correct |
96 |
Correct |
160 ms |
40884 KB |
Output is correct |
97 |
Correct |
173 ms |
41144 KB |
Output is correct |
98 |
Correct |
156 ms |
41276 KB |
Output is correct |
99 |
Correct |
153 ms |
41012 KB |
Output is correct |
100 |
Correct |
167 ms |
41140 KB |
Output is correct |