01 2021 档案

并查集模板+二进制中1的位数mask
摘要：int FindFather(vector<int>& nums, int father) { if (father == nums[father]) return father; return nums[father] = FindFather(nums, nums[father]); } voi 阅读全文
posted @ 2021-01-10 19:28 LCAC 阅读(94) 评论(0) 推荐(0)