Cod sursa(job #609773)

Utilizator al.mocanuAlexandru Mocanu al.mocanu Data 23 august 2011 11:54:35
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream.h>

ifstream f("factorial.in");
ofstream g("factorial.out");

main()
{long int P,i,p=0,j,a,t[100000000],k=1;
f>>P;

for(i=1;i<=P;i++)
{t[i]=1;}

for(i=0;i<=5*P;i=i+5)
{a=i;
for(j=1;j<=9;j++)
{p=p+a/5;}
if(p==P)
{g<<i;
t[i/5]=0;}
else
{t[i/5]=1;}
}

for(i=1;i<=P;i++)
{k=k*t[i];}

if(k==1)
{g<<'-1';}
}