PAT A1005 Spell It Right(20)-优快云博客

本文介绍了一种处理超大数的方法，并通过C++实现将超大数的各位数字之和转换为英文单词输出。文章提供了两种实现方式，一种采用字符数组存储超大数，另一种则直接使用C++字符串进行操作。

题意

给定一个超大数，输出其各位数字总和的各位数字（英文单词）。

注意

使用字符串存储数。

单词

consecutive 连续的

代码

#include <iostream>
#include <string>
using namespace std;

const int MAX = 101;
char big[MAX];
const string digit[10] = { "zero","one","two","three","four","five","six","seven","eight","nine" };

int main()
{
	int p = 0;
	int sum = 0;
	while (cin >> big[p])   //CTRL+Z 结束输入
	{
		sum += big[p] - '0';
		p++;
	}
	string s;
	s = to_string(sum);
	for (int i = 0; i < s.length(); i++)
	{
		cout << digit[s[i] - '0'];
		if (i != s.length() - 1)
			cout << " ";
	}

    return 0;
}

#include <iostream>
#include <string>
using namespace std;


string big;
const string digit[10] = { "zero","one","two","three","four","five","six","seven","eight","nine" };

int main()
{
	int sum = 0;
	cin >> big;
	for (int i = 0; i < big.size(); i++)   //C++ string size()和length()一样
		sum += big[i] - '0';
	string s = to_string(sum);
	for (int i = 0; i < s.length(); i++)
	{
		cout << digit[s[i] - '0'];
		if (i != s.length() - 1)
			cout << " ";
	}

    return 0;
}