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Cod sursa(job #352215)
#include<fstream.h>
ifstream f("divprim.in");
ofstream g("divprim.out");
int a[1000005],b[1000005][9];
long long k,i,t,j;
int main(){
f>>t;
//ciur
for(i=2;i<=1000001;i++)
if(a[i]==0)
for(k=1;k*i<=100001;k++)
a[k*i]=a[k*i]+1;
//umplem matricea
for(i=2;i<=1000001;i++)
for(k=1;k<=7;k++){
if(a[i]==k)
b[i][k]=i;
else b[i][k]=b[i-1][k];
}
for(i=1;i<=1000001;i++)
b[i][0]=1;
for(i=1;i<=t;i++)
{ f>>j>>k;
g<<b[j][k]<<'\n';
}
return 0;
}