関連ワード:  insert a node in binary search tree    insert a given node in binary search tree    insert a given node in binary search tree gfg practice    insert a given node in binary search tree leetcode    insert a given node in binary search tree gfg    insert a given node in binary search tree coding ninjas    insert node in binary search tree leetcode    algorithm to insert a node in binary search tree    program to insert a node in binary search tree    insert new node in binary search tree