Cod sursa(job #1348540)
Utilizator | Data | 19 februarie 2015 19:08:02 | |
---|---|---|---|
Problema | Sum | Scor | 40 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.45 kb |
#include <iostream>
#include<fstream>
using namespace std;
int n,x,s,v[200001],i,l,j;
int main()
{
ifstream f("sum.in");
ofstream g("sum.out");
f>>n;
for(l=1;l<=n;l++)
{
f>>x;s=0;
for(i=1;i<=x*2;i++)v[i]=0;
for(i=2;i<=x;i++)
if((x%i==0)&&(v[i]!=2))
for(j=1;j<=2*x/i;j++)v[j*i]=2;
for(i=1;i<x*2;i++)if(v[i]!=2)s=s+i;
g<<s<<endl;
}
return 0;
}