1005 Spell It Right (20 分)

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最新推荐文章于 2025-07-29 21:31:10 发布

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本文解析了一道编程题目，要求计算给定非负整数N的数字和，并用英文单词形式输出每个数字。关键在于处理0的情况和正确转换数字到英文。

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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 (≤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:

Sample Output:

one five

Analysis

本题输入一串数字，求出这些数字的和并输出英文。唯一就是测试点2是输入0的情况，可能要特殊考虑。

Code(C++)

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

int main()
{
    string num[10] = {"zero","one","two","three","four","five","six","seven","eight","nine"};
    string s;
    cin >> s;
    
    int sum = 0;
    for(int i=0; i<s.length(); i++)
        sum += (s[i]-'0');
    
    vector<int> a;
    if(sum == 0)
        a.push_back(0);
    while(sum)
    {
        a.push_back(sum%10);
        sum /= 10;
    }
    
    for(int i=a.size()-1; i>=0; i--)
    {
        if(i == a.size()-1)
            cout << num[a[i]];
        else
            cout << " " << num[a[i]];
    }
}