Cod sursa(job #2546805)
Utilizator | Pop-Gabriel-Bogdan PopSonny | Data | 14 februarie 2020 16:09:03 |
---|---|---|---|
Problema | Factorial | Scor | 25 |
Compilator | c-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.54 kb |
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
FILE* f=fopen("fact.in","r");
FILE* g=fopen("fact.out","w");
int n;
int k=0;
fscanf(f,"%d",&n);
if(n==0)
{
fprintf(g,"1");
return 0;
}
long long numar=n*5;
for(long long i=5; i<=numar; i=i+5)
{
long long nr=i;
while(nr%5==0)
{
nr/=5;
k++;
}
if(k>=n)
{
fprintf(g,"%lld",i);
break;
}
}
}