Pagini recente » Cod sursa (job #2221155) | Cod sursa (job #1949559) | Cod sursa (job #172508) | Cod sursa (job #1323704) | Cod sursa (job #2067772)
#include<fstream>
using namespace std;
ifstream cin("sum.in");
ofstream cout("sum.out");
int n,x,dx;
int phi[200001],a[100001],imax;
long long s;
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
{cin>>a[i];if(a[i]>a[imax]) imax=i;}
int k=a[imax];
for(int i=1;i<=k;i++)
phi[i]=i-1;
for(int i=2;i<=k;i++)
for(int j=2;j*i<=k;j++)
phi[j*i]-=phi[i];
for(int i=1;i<=n;i++)
cout<<2*phi[a[i]]*a[i]<<'\n';
}