A1005 Spell It Right (20分)

#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include<string.h>
#include<algorithm> 
#include<map>
#include<vector>
#include<queue>  
#include<stack> 
#include<cctype>//里面有isdigit()：数字字符返回true 
using namespace std;   


int main(){
	string s;
	cin>>s;
	char change[10][10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
	int sum=0;
	int result[s.length()];
	int pos=0;
	
	for(int i=0;i<s.length();i++){
		sum+=s[i]-'0';
	}	
	do{
		result[pos++]=sum%10;
		sum/=10;		
	}while(sum!=0);
	
	for(int i=pos-1;i>=0;i--){
		printf("%s",change[result[i]]);
		if(i!=0)printf(" ");
	}
    return 0;
}
 
 

#include<cstdio>
#include<string>
#include<iostream>
#include<vector>
#include <algorithm>//fill()在里面 
#include <cmath>

using namespace std;
//A1005

const int INF=1e9; //用于初始化图 
const int maxn=110;

//最后进行转换 
char convert[10][10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
 
int main(){
	string s;//计算n的所有位数上的数字的和:由于n太大，使用string
	cin>>s;
	int sum=0;//就算有100位数都是9也不是很大
	//关于string的用法：
	for(int i=0;i<s.length();i++){
		sum+=(s[i]-'0');//高位对应字符串低位 
//		cout<<s[i]<<endl; 
	}
	string result=to_string(sum);//将数值直接转换为字符串处理
	cout<<convert[result[0]-'0'];//数值转换成字符串的时候：高位对应着数组低位 
	for(int i=1;i<result.length();i++){
		cout<<" "<<convert[result[i]-'0'];
	}

	
return 0;
}