btap3.cpp

来自「examples C,c++ codes programs」· C++ 代码 · 共 52 行

# include <stdio.h>
# include <conio.h>


int giaithua(int m)
{
	int i;
	int tong;
	tong=1;

	for(i=1;i<=m;i++)
		{
		tong=tong*i;
		}
 return tong;
}

int ham_mu(int a,int b)

{
	int i,m,dem;
	m=1;
	dem=0;
	for(i=1;i<=b;i++)
	{
		m=m*a;
		dem=+1;
		if(dem==b)	break;
	}
	return m  ;


}
void main()
{
	clrscr();
	float tong;
        tong=0;
	int n,x,i;
	printf("nhap x:");
	scanf("%d",&x);
	printf("nhap n:");
	scanf("%d",&n);
	for(i=1;i<=n;i++)

		tong=tong+float(ham_mu(x,i))/float(giaithua(i));

	printf("tong  %f",tong);


	getch();
}