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Cod sursa(job #720677)
#include<fstream>
#define dim 1000007
using namespace std;
ifstream f("divprim.in");
ofstream g("divprim.out");
int n,k,i,t,j;
long b[dim][8],a[dim];
int main()
{
b[1][0]=0;
for(i=2;i<dim;i++)
{
if(!a[i])
for(j=i;j<dim;j+=i)
++a[j];
for(j=0;j<=7;j++)
b[i][j]=b[i-1][j];
if(a[i]<=7)
b[i][a[i]]=i;
}
f>>t;
for(i=1;i<=t;i++)
{
f>>n>>k;
g<<b[n][k]<<"/n";
}
return 0;
}