摘要：
题目来源:https://www.hackerrank.com/rest/contests/monthly/challenges/click-o-mania/hackers/kdavis215/download_solution#include <stdio.h>#include <string.h>#include <math.h>#include <vector>#include <queue>#include <set>#include <stdlib.h>#include <time.h># 阅读全文
摘要：
https://www.hackerrank.com/blog/2020editorialGiven n numbers:D = {d1, d2, …, dn}what’s the maximum size of a subset of D in which every pair is a ‘nice pair’?(A, B) is a nice pair iff at least one of the following condition holds.1.Parityof the number of prime divisors of A is equal to that of B.2. 阅读全文