C题解 1022 D进制的A+B (20 分)

原题

https://pintia.cn/problem-sets/994805260223102976/problems/994805299301433344

代码

#include 
#include 
using namespace std;

// char result[32];
vector vec;
int main()
{
    // string str="";
    long A,B;
    int D;
    cin >> A >> B >> D;
    
    long sub=A+B;
    /*while (sub>0) 没有考虑到A B都为0的情况下
    {
        vec.push_back(sub%D);
        sub=sub/D;
    }*/
    do
    {
        vec.push_back(sub%D);
        sub=sub/D;
    } while (sub>0);
    
    for (int i = vec.size()-1; i >=0; i--)
    {
        cout << vec[i];
    }    
    return 0;
}