Cod sursa(job #1733933)
| Utilizator |  mIllI byte mIllIbyte |
Data | 26 iulie 2016 08:58:05 |
|---|---|---|---|
| Problema | Factorial | Scor | 15 |
| Compilator | c | Status | done |
| Runda | Arhiva de probleme | Marime | 0.18 kb |
#include<stdio.h>
long long p,k,i,n;main(){freopen("fact.in","r",stdin);freopen("fact.out","w",stdout);
scanf("%lld",&p);for(n=2;p>k;n++)for(i=5,k=0;i<=n;i*=5)k+=n/i;printf("%lld",n-1);}
