PAT甲级——1005 Spell It Right (20分)

 思路：很简单，用string处理解决大数情况，乙级有类似的题目；注意第四个测试点是输入为0情况。

1005 Spell It Right (20分)

Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English.

Input Specification:

Each input file contains one test case. Each case occupies one line which contains an N (≤10​100​​).

Output Specification:

For each test case, output in one line the digits of the sum in English words. There must be one space between two consecutive words, but no extra space at the end of a line.

Sample Input:

12345

 

Sample Output:

one five

#include 
#include 
#include 
using namespace std;
string num[10]={"zero","one","two","three","four","five","six",
						"seven","eight","nine"};

int main(){
	
	string s;
	cin>>s;
	int sum=0;
	for(int i=0;i n;
	if(sum==0){
		n.push_back(0);
	}else{
		while(sum>0){
			n.push_back(sum%10);
			sum/=10;
		}	
	}
	
	for(int i=n.size()-1;i>0;i--){
		cout<