#include<iostream>
#include<vector>
#include<limits>
using namespace std;
using std::iterator;
///<summary>
///十进制转换为任意进制，为了熟悉操作符，也加了操作符重载。
///包括自增（++），运算符重（+），赋值函数重载（=）,输出符（<<）
///</summary>
class TenToAny
{vector<char> value;long long _n;long long _x;
public:TenToAny():_n(10),_x(0){ }void Switch(){try{int x=_x, n=_n;char flag=' ';if(x>LONG_MAX||x<LONG_MIN)throw "溢出";if(x<0){flag='-';x=-x;}while(x!=0){long long remain = x%n;x = x/n;if(remain>=10)remain = 'A'+ remain % 10;else remain +='0';value.push_back(remain);}vector<char>::reverse_iterator v= value.rbegin();while(*v=='0')value.pop_back();if(flag=='-')value.push_back(flag);}catch(char *e){cout<<e<<endl;}}TenToAny(long long n,long long x){_n=n;_x=x;Switch();}TenToAny &operator = (const TenToAny &num){if(this==&num)return *this;value=num.value;_n=num._n;_x=num._x;return *this;}TenToAny operator +(const TenToAny &num1){TenToAny num;num._x=num1._x + _x;num._n=num1._n;num.Switch();return num;}TenToAny &operator ++()//前置++{_x++;value.clear();this->Switch();return *this;}TenToAny &operator ++(int)//后置++{TenToAny *temp=new TenToAny(this->_n,this->_x);_x++;value.clear();this->Switch();return *temp;}friend ostream &operator <<(ostream &out,TenToAny num);};
ostream &operator <<(ostream &out,TenToAny num)
{vector<char> value =num.value;vector<char>::reverse_iterator v= value.rbegin();for(;v!=value.rend();v++){out<<*v;}return out;
}
int main()
{TenToAny num(19,111);TenToAny copy(19,222);TenToAny sum;sum =num+copy;cout<<num<<endl;cout<<copy<<endl;cout<<copy++<<endl;cout<<(++copy)<<endl;return 0;
}

运行结果：