Cod sursa(job #902487)
Utilizator | Data | 1 martie 2013 14:35:22 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<stdio.h>
using namespace std;
int p,x;
int main(){
freopen("fact.in","r",stdin);
freopen("fact.out","w",stdout);
scanf("%d", &p);
if((p+1)%6==0)
printf("-1");
else{
x=p*5-(p/6)*5;
printf("%d" ,x);
}
fclose(stdin);
fclose(stdout);
return 0;
}