1361 Validate Binary Tree Nodes 验证二叉树
Description:
You have n binary tree nodes numbered from 0 to n - 1 where node i has two children leftChild[i] and rightChild[i], return true if and only if all th
felix/ipsets.go 574: Bad return code from 'ipset list'. error=exit status 1 family="inet" stderr="ipset v7.1: Kernel and userspace incompatible: settype hash:ip,port with revision 6 not supported