Files
SH-Quizzes/ACMOJ-1687.cpp
2023-12-23 22:23:48 +08:00

63 lines
1.2 KiB
C++

#include<iostream>
#include<iostream>
#include<cstring>
#include<algorithm>
#include<cassert>
#include<string>
#include<cstdio>
#include<queue>
#include<map>
using namespace std;
typedef long long LL;
const int maxn=2e5+10,maxv=3e5+10;
class BST
{
LL mem[maxv];
public:
inline void add(int p,LL v)
{
for(;p<maxv;p+=p&(-p))
mem[p]+=v;
}
inline LL query(int p)
{
LL res=0;
for(;p>0;p-=p&(-p))
res+=mem[p];
return res;
}
}num_cnt,value_tot,pre_influence;
int n,a[maxn];
LL res=0;
int main()
{
#ifdef local
freopen("pro.in", "r", stdin);
// freopen("pro.out","w",stdout);
#endif
scanf("%d",&n);
for(int i=1;i<=n;i++) scanf("%d",&a[i]);
for(int i=1;i<=n;i++)
{
LL delta=0;
// printf("i=%d\n",i);
delta+=LL(a[i])*num_cnt.query(maxv-1);
delta+=value_tot.query(maxv-1);
// printf("delta=%lld\n",delta);
for(int v=1,L=a[i];L<maxv;v++,L+=a[i])
{
int R=min(maxv-1,L+a[i]-1);
delta-=LL(a[i])*v*(num_cnt.query(R)-num_cnt.query(L-1));
}
delta-=pre_influence.query(a[i]);
res+=delta;
printf("%lld ",res);
num_cnt.add(a[i],1);
value_tot.add(a[i],a[i]);
for(int L=a[i];L<maxv;L+=a[i])
pre_influence.add(L,a[i]);
// puts("\n_______\n");
}
puts("");
return 0;
}