int fac(int n)
{int f;
if(n==0||n==1)
f=1;
else f=n*fac(n-1);
return (f);
}
# include <stdio.h>
int main()
{int n,y;
scanf("%d",&n);
y=fac(n);
printf("%d!=%d\n",n,y);
return 0;
}
int fac(int n)
{int f;
if(n==0||n==1)
f=1;
else f=n*fac(n-1);
return (f);
}
# include <stdio.h>
int main()
{int n,y;
scanf("%d",&n);
y=fac(n);
printf("%d!=%d\n",n,y);
return 0;
}