求每一位数和

Posted 2022-06-12 zhanghua-322

#include <iostream>
#include <stack>
using namespace std;
int main()

    int r,n,ans=0;
    stack<int>s;
    cin>>n>>r;
    while(n)
    
        s.push(n%r);
        n/=r;
    
    while(!s.empty())
    
        ans+=s.top();
        s.pop();
    
    cout<<ans<<endl;
    return 0;