AcWing 794. 高精度除法
原题链接
简单
作者:
跟着灿哥学切菜
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2021-01-12 16:43:50
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所有人可见
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阅读 271
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
vector<int> div(vector<int> &A, int b, int &r) {
vector<int> c;
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 ;
auto c = div(A, b, r);
for (int i = c.size() - 1; i >= 0; i --) {
printf("%d", c[i]);
}
cout << endl << r << endl;
return 0;
}