1002. 写出这个数 (20)

#include<stdio.h>
#include<string.h>
	void zqd(int sum){
		int p;
		char * kirby[10] = {"ling","yi","er","san","si","wu","liu","qi","ba","jiu"};
		p = sum % 10;
		if (sum > 9){
			sum /= 10;
			zqd(sum);
			printf(" ");
		}
		printf("%s",kirby[p]);
	}
	int main(){
		int sum = 0;
		char n;
		while ((n = getchar()) != '\n'){
			sum += n - '0';
		}
//		printf("%d",sum);
		zqd(sum);
		return 0;
	}