1022. D进制的A+B (20)

#include<iostream>#include<stack>using namespace std;int main(){unsigned long long A,B;int D,i;stack<int> s;cin>>A>>B>>D;A=A+B;if(D==10){cout<<A<<endl;}else if(A==0){cout<<0<<endl;}else{while(A){s.push(A%D);A/=D;}while(!s.empty()){cout<<s.top();s.pop();}cout<<endl;}return 0;}