#include <iostream>
#include <stdio.h>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;
vector<int> div(vector<int> &A,int b,int &r)
{
vector<int> C;
r=0;
for(int i=A.size()-1;i>=0;i--)
{
r=r*10+A[i];
C.push_back(r/b);
r%=b;
}
reverse(C.begin(),C.end());
while(C.size()>1&&C.back()==0) C.pop_back();
return C;
}
int main()
{
string a;
int b;
cin>>a>>b;
vector<int> A;
for(int i=a.size()-1;i>=0;i--) A.push_back(a[i]-‘0‘);
int r;
vector<int> C=div(A,b,r);
for(int i=C.size()-1;i>=0;i--) printf("%d",C[i]);
cout<<endl;
cout<<r<<endl;
return 0;
}
原文:https://www.cnblogs.com/xiao--yang/p/14770363.html