1002. 写出这个数 (20)

#include <iostream>
#include <iomanip>
#include <math.h>
#include <stdio.h>
#include <string>

using namespace std;

int main()
{
    string give;
    
    getline(cin, give);
    int sum = 0;
    for (string::iterator it = give.begin(); it != give.end(); it++)
    {
        switch (*it)
        {
        case‘0‘:sum += 0; break;
        case‘1‘:sum += 1; break;
        case‘2‘:sum += 2; break;
        case‘3‘:sum += 3; break;
        case‘4‘:sum += 4; break;
        case‘5‘:sum += 5; break;
        case‘6‘:sum += 6; break;
        case‘7‘:sum += 7; break;
        case‘8‘:sum += 8; break;
        case‘9‘:sum += 9; break;
        default:;
        }
    }
    string bit[99];
    int cnt = 0;//sum的位数
    while (sum)
    {
        int temp = sum % 10;
        sum /= 10;
        switch (temp)
        {
        case 0:bit[cnt] = "ling"; break;
        case 1:bit[cnt] = "yi"; break;
        case 2:bit[cnt] = "er"; break;
        case 3:bit[cnt] = "san"; break;
        case 4:bit[cnt] = "si"; break;
        case 5:bit[cnt] = "wu"; break;
        case 6:bit[cnt] = "liu"; break;
        case 7:bit[cnt] = "qi"; break;
        case 8:bit[cnt] = "ba"; break;
        case 9:bit[cnt] = "jiu"; break;
        default:;
        }
        cnt ++;
    }
    int flag = 1;
    for (int i = cnt - 1; i >= 0; i--)
    {
        if (flag == 1)
        {
            cout << bit[i];
            flag = 0;
        }
        else
            cout <<" "<< bit[i];
    }
    system("pause");
    return 0;
}