Cod sursa(job #1529738)
| Utilizator | Data | 21 noiembrie 2015 10:58:44 | |
|---|---|---|---|
| Problema | Sum | Scor | 50 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.74 kb |
#include <iostream>
#include <fstream>
using namespace std;
int v[20],j,p; bool divizibil;
void divizori(int a)
{
int d;
d=2;
j=0;
while(a>=d)
{
if (a%d==0)
{
while (a%d==0) a=a/d;
j++;
v[j]=d;
}
d++;
}
}
int main()
{int x,i,k,n;
long long s;
ifstream f("sum.in");
ofstream g("sum.out");
f>>n;
for(k=1;k<=n;k++)
{
f>>x;
s=1;
divizori(x);
for(i=2;i<2*x;i++)
{
divizibil=false;
for(p=1;p<=j;p++)
{
if(i%v[p]==0) divizibil=true;
}
if (divizibil==false) s=s+i;
}
g<<s<<"\n";
}
}
