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/*=========================================Program Description ==========================*/ 
/*程序名称 :multiply.c                                                                    */ 
/*程序目的 :设计一个可计数两数相乘,但仅用加法运算.                                          */ 
/*written by chen xiao yong .(chen studio)                                 */ 
/*=======================================================================================*/ 
 
/*---------------------------------------------------------*/ 
/*递归乘法运算*/ 
/*---------------------------------------------------------*/ 
# include  
int Multiply(int M,int N) 
{ 
	int Result;                   /*运算结果*/ 
	if (N==1) 
		Result = M;                 /*递归结束条件*/ 
	else 
		Result = M + Multiply(M,N-1);    /*递归执行部分*/ 
	return Result; 
} 
 
/*-----------------------------------------------------------*/ 
/*主程序*/ 
/*-----------------------------------------------------------*/ 
void main() 
{ 
	int NumA;                            /*乘数变量*/ 
	int NumB;                            /*被乘数变量*/ 
	int Product;                         /*乘积变量*/ 
 
	printf("please enter your Number A:"); 
	scanf("%d",&NumA); 
	printf("please enter Number B被乘数:"); 
	scanf("%d",&NumB); 
 
	Product = Multiply(NumA,NumB); 
	printf("%d * %d = %d",NumA,NumB,Product); 
}