Cod sursa(job #1735869)

Utilizator Andrei01Dalinesc Andrei Aurelian Andrei01 Data 31 iulie 2016 13:52:00
Problema Sum Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.57 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("sum.in");
ofstream g("sum.out");
int p,n,S,a[100001];
void ciur()
{
    int i,j;
    S=0;
    for(i=2;i<=n*2;i++)
        a[i]=1;
    for(i=2;i<=n*2;i++)
        if(a[i]==1)
            for(j=2;j<=n*2/i;j++)
                a[i*j]=0;
    for(i=2;i<=n*2;i++)
        if(a[i]!=0)
            S+=i;
}
int main()
{
    f>>p;
    while(p!=0)
    {
        f>>n;
        ciur();
        S+=n;
        g<<S<<"\n";
        p--;
    }
    f.close();
    g.close();
    return 0;
}