2_4.cpp

《c++程序设计技能百练》源代码,内有99个实例。

#include <iostream.h>
#include <math.h>
void main()
{	double x,i=10000000;
    int j=0;
	unsigned int quotient,remainder;
	bool beginFlag=0,zeroFlag=0;
	cout<<"请输入预转换数额（小于1亿）：";
	cin>>x;
   	while (x>=100000000 )
	{
		if (j>=2)
		{
			cout<<"你的错误输入已达3次，你无权再输入！"<<endl;
		    return;
		}
		cout<<"你输入的金额超出转换范围，请重新输入！"<<endl;
        cout<<"请输入预转换数额（小于1亿）：";
	    cin>>x;
		
		j++;
	}

if (x<=0)	
	{
		cout<<"零元整"<<endl;
		return;
	}    x=floor(x*100 +0.5)/100;	//小数点后2位四舍五入

	while (i>0.001)	
	{		
		if (i>0.9)
			quotient=(unsigned int)floor(x/i);
		else
		{	
			if (i>=0.099)	
				quotient=(unsigned int)floor(x*10);
			else
				quotient=(unsigned int)floor(x*100);
		}		
		remainder=quotient%10;
		
		if (remainder!=0)			
			beginFlag=1;
		
		if ((zeroFlag==1) && (beginFlag==1) && (i>1000) && (remainder>0)) 		
			cout<<"零";		

		switch (remainder)		//输出大写数字		
		{			
			case 0:	
				break;
			case 1:	
				cout<<"壹";
				break;	
			case 2:		
				cout<<"贰";	
				break;	
			case 3:		
				cout<<"叁";	
				break;		
			case 4:			
				cout<<"肆";	
				break;		
			case 5:		
				cout<<"伍";	
				break;		
			case 6:		
				cout<<"陆";	
				break;		
			case 7:		
				cout<<"柒";	
				break;		
			case 8:			
				cout<<"捌";	
				break;		
			case 9:			
				cout<<"玖";	
				break;	
		}	
		
		if (remainder>0)
			zeroFlag=0;	
		else if (beginFlag==1)	
			zeroFlag=1;		
		
		if (beginFlag==1)        //输出单位	
		{			
			if ((i==10000000) && (remainder>0))	
				cout<<"仟";		
			if ((i==1000000) && (remainder>0))	
				cout<<"百";	
			if ((i==100000) && (remainder>0))
				cout<<"十";		
			if (i==10000)		
				cout<<"万";	
			if ((i==1000) && (remainder>0))	
				cout<<"仟";		
			if ((i==100) && (remainder>0))	
				cout<<"百";		
			if ((i==10) && (remainder>0))	
				cout<<"十";		
			if (i==1)		
				cout<<"元";		
			if ((i>=0.09) && (i<1) && (remainder>0))
				cout<<"角";		
			if ((i>=0.009) && (i<0.1) && (remainder>0))
				cout<<"分";	
		}
		i=i/10;	
	}
	cout<<"整"<<endl;
}