Cod sursa(job #218103)
Utilizator | Data | 31 octombrie 2008 20:10:50 | |
---|---|---|---|
Problema | Factorial | Scor | 15 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<stdio.h>
int main()
{
FILE *f,*g;
long p;
f=fopen("fact.in","r");
g=fopen("fact.out","w");
fscanf(f,"%ld",&p);
if(p==0) {fprintf(g,"%d",1);return 0;}
long ps=p*5,d=0;
if(ps%25==0)
while(ps!=25)
{ps=ps-25; d++;}
long n=p*5-5*d;
fprintf(g,"%ld",n);
fclose(f);
fclose(g);
return 0;
}