programmer life guidance 101

leetcode.com/problems/binary-tree-zigzag-level-order-traversal/ Binary Tree Zigzag Level Order Traversal - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 문제 Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to le..

leetcode.com/problems/next-permutation/ Next Permutation - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 문제 Implementnext permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possible, it must rearrange i..