Cod sursa(job #1040620)
Utilizator | Data | 24 noiembrie 2013 18:27:12 | |
---|---|---|---|
Problema | Sum | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.4 kb |
#include<fstream>
using namespace std;
int n,x,y,i,m,j,s;
long long a[100001];
int main()
{
ifstream f("sum.in");
ofstream g("sum.out");
for(i=2;i<=100001;++i)
if(a[i]==0)
for(j=i+i;j<=100001;j+=i)
a[j]=1;
f>>n;
for(i=1;i<=n;++i)
{
f>>x;
s=x;
for(i=2;i<=100;++i)
if(a[i]==0&&a[i]<=2*x)
s=s+a[i];
g<<s<<"\n";
}
return 0;
}