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Cod sursa(job #56676)
#include<fstream.h>
ifstream f("divprim.in");
ofstream g("divprim.out");
int x[7]={2,3,5,7,11,13,17},b,c,k,o;
long p,n,i,a,j;
int main()
{
f>>n;
for(i=1;i<=n;i++)
{
f>>a;
f>>b;
o=0;
p=1;
for(k=0;k<=b-1;k++)
p=p*x[k];
for(j=a;j>=1;j--)
{
if(j%p==0)
{
g<<j<<"\n";
o=1;
break;
}
}
if(o==0)
g<<0<<"\n";
}
f.close();
g.close();
return 0;
}