念整数 C语言程序设计

#include<stdio.h>
int main()
{
	int num=0,sum=0,count=0,type=0;
	scanf("%d",&num);
	if(num<0)
	{
		printf("fu ");
		num=-num;
	}
	if(num!=0)
	{
		while(num>0)
		{
			sum=sum*10+num%10;
			num=num/10;
			count++;
		}
			do
			{
					type=sum%10;
				switch(type)
				{
					case 0:
						printf("ling");
						break;
					case 1:
						printf("yi");
						break;
					case 2:
						printf("er");
						break;
					case 3:
						printf("san");
						break;
					case 4:
						printf("si");
						break;
					case 5:
						printf("wu");
						break;
					case 6:
						printf("liu");
						break;
					case 7:
						printf("qi");
						break;
					case 8:
						printf("ba");
				 		break;
					case 9:
						printf("jiu");
						break;
				}
				count--;
				if(count>0)
				printf(" ");
				sum=sum/10;
			}while(count>0);
	}
	else
	{
		printf("ling");
	}
	return 0;
}