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Cod sursa(job #411986)
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int p, s;
int main()
{
f>>p;
int nrdoi=0, nrcinci=0;
for(int i=2;i<=32000;i++)
{
int nr=i;
int d=2;
while(nr!=1)
{
int p=0;
if (nr%d==0)
while(nr%d==0)
{
nr=nr/d;
p++;
}
if (p!=0 && d==2) nrdoi+=p;
else if (p!=0 && d==5) nrcinci+=p;
d++;
}
if (nrdoi>=nrcinci && nrdoi!=0 && nrcinci!=0 && nrcinci%p==0) {g<<i; break;}
}
f.close();
g.close();
return 0;
}