AcWing 794. 高精度除法
原题链接
简单
作者:
._604
,
2022-12-01 00:04:13
,
所有人可见
,
阅读 134
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int t;
vector<int> div(vector<int> A, int b)
{
vector<int> C;
for (int i = A.size() - 1; i >= 0; i -- )//从大的位数开始相除
{
t = t * 10 + A[i];
C.push_back(t / b);
t %= b;
}
reverse (C.begin(), C.end());//结果是从左到右排序 需要先逆转去掉前导0
while (C.size() > 1 && C.back() == 0) C.pop_back();
return C;
}
int main()
{
string a;
int b;
vector<int> A;
cin >> a >> b;
for (int i = a.size() - 1; i >= 0; i -- ) A.push_back(a[i] - '0');
auto C = div(A, b);
for (int i = C.size() - 1; i >= 0; i -- ) cout << C[i];//逆转过了 不用倒序输出
cout << endl << t;
return 0;
}