$x^2$
$$f_{X_1,\cdots, X_k}(x_1, \cdots, x_k)=\overbrace{\int_{-\infty}^{\infty} \cdots \int_{-infty}^{\infty}}^{n-k} f(x_1, \cdots, x_k, \xi_{k+1}, \cdots, \xi_{n})d \xi_{k+1} \cdots d\xi_{n}$$
$\cancel{R} $
#include "stdafx.h"
#include
void main()
{
void hanoi(int n,char one,char two,char three);
int m;
printf("input the numbers of diskes:");
scanf("%d",&m);
printf("The steps to move %d diskes:\n",m);
hanoi(m,'A','B','C');
getch();
}
void hanoi(int n,char one,char two,char three) //定义hanoi函数
{
void move(char x,char y);
if(n==1)
move(one,three);
else
{
hanoi(n-1,one,three,two);
move(one,three);
hanoi(n-1,two,one,three);
}
}
void move(char x,char y) //显示移动操作
{
printf("%c-->%c\n",x,y);
}