python/TangDou/TD.cpp

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'

int gcd(int a, int b) {
    return b ? gcd(b, a % b) : a;
}

int main() {

    // 片断
    int q = 1, r = 32;
    for (int i = 2; i * i <= r; i++) {
        while (r % (i * i) == 0) {
            q = q * i;
            r = r / (i * i);
        }
    }
    cout << q << "*sqrt(" << r << ")" << endl;

    // gcd  16/18

    int a = 16, b = 18;
    cout << a / gcd(a, b) << "/" << b / gcd(a, b) << endl;

    return 0;
}