python/TangDou/LuoGuBook/TestBC.cpp

#include <bits/stdc++.h>
using namespace std;
int main() {
    int n, d;
    cin >> n >> d;
    double x = 1.0 * n / d;
    double pre = round(x);
    cout << pre << "/1" << endl;
    for (int i = 1; i <= d; i++) {
        for (int j = 1; j <= n; j++) {
            double cur = 1.0 * j / i;
            if (abs(cur - x) >= abs(pre - x)) continue;
            cout << j << "/" << i << endl;
            pre = cur;
        }
    }
    return 0;
}