Cod sursa(job #544472)
Utilizator | Andrei Hareza fhandrei | Data | 1 martie 2011 17:20:07 |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.43 kb |
#include <stdio.h>
long int n, nr0,i2;
long int i; // Contor
bool ok=true;
FILE *in, *out;
int main(void)
{
in=fopen("fact.in","rt");
out=fopen("fact.out","wt");
fscanf(in, "%ld",&n);
if(!n)
fprintf(out, "1");
else
{
nr0+=25*(n/6);
n%=6;
nr0=nr0+n*5;
if(n==5)
fprintf(out, "-1");
else fprintf(out, "%ld",nr0);
}
fclose(in);
fclose(out);
return 0;
}