编辑代码

#include <iostream>
using namespace std;
int main() {
    int a, b, c, m;
    cin>> a >> b >> c;
    // a = 100, b = 7
    // a / b = 14
    // a % b = 2
    cout << "整数部分：\t" << a / b << endl;
    cout << "第一位小数：\t" << (a % b) *10 / b << endl;
    a = a % b * 10;
    cout << "第二位小数：\t" << (a % b) *10 / b << endl;
    cout << "——————————————————————" << endl;
    // 套入循环
    m = 0; 
    while(m < c){
        m += 1;
        cout << "第"<< m <<"位小数：\t" << (a % b) *10 / b << endl;
        a = a % b * 10;
    }
}