PAT甲级1005 字符串的处理

题目

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 (<= 10100).

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

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题解

#include
using namespace std;
int main(){
  string a;
  cin>>a;
  int sum=0;
  for(int i=0;i

本题最重要的是字符-‘0’就能得到int类型数据的方法。
容易忽视的是先打印一个字符串，然后循环打印空格和后续字符串。