(PAT乙级)1002. 写出这个数 (20)

读入一个自然数n,计算其各位数字之和,用汉语拼音写出和的每一位数字。

输入格式:每个测试输入包含1个测试用例,即给出自然数n的值。这里保证n小于10100

输出格式:在一行内输出n的各位数字之和的每一位,拼音数字间有1 空格,但一行中最后一个拼音数字后没有空格。

输入样例:
1234567890987654321123456789
输出样例:
yi san wu

n小于10^100,那么他们的和肯定是三位数以内啦,这样就很简单了。

我们先按字符串输入,然后将每个数字保存到数组里面,求和就可以啦,然后计算个十百位分别是什么数字,输出就好了...

很常规的解法,如果大家有更好的方法欢迎讨论^_^

AC代码:

#include <iostream>
#include <string>
using namespace std;
string chinese[10] = { "ling","yi","er","san","si","wu","liu","qi","ba","jiu" };
int convert(string s)
{
	int n,sum;
	sum = 0;
	n = s.size();
	int *a = new int[n];
	for (int i = 0; i < n; i++)
	{
		a[i] = s[i] - '0';
		sum += a[i];
	}
	return sum;
}

int main()
{
	string s;
	int p[3];
	cin >> s;
	int sum;
	int count = 0;
	sum = convert(s);
	int tmp;
	tmp = sum;
	while (tmp > 0)
	{
		tmp = tmp / 10;
		count++;
	}
	switch (count)
	{
	case 1:
		cout << chinese[count];
		break;
	case 2:
		p[0] = sum / 10;
		p[1] = sum % 10;
		cout << chinese[p[0]] << " " << chinese[p[1]];
		break;
	default:
		p[0] = sum / 100;
		sum = sum % 100;
		p[1] = sum / 10;
		p[2] = sum % 10;
		cout << chinese[p[0]] << " " << chinese[p[1]] << " "<<chinese[p[2]];
		break;
	}
	return 0;
}

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转载自blog.csdn.net/yuquan87/article/details/79996749
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