batap4.cpp

examples C,c++ codes programs

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


int giaithua(int m)
{
	int i;
	int gt;

	gt = 1;

	for(i=1;i<=m;i++)
	  gt = gt*i;

 return gt;
}

int ham_mu(int a,int b)

{
	int i,m;
	m=1;

	for(i=0;i<b;i++)
	{
		m = m*a;


	}

	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*2+1;i = i+2)
	   {
		tong = tong + float(ham_mu(x,i))/float(giaithua(i));

	   }
	printf("tong  %f",tong);


	getch();
}