LeetCode算法蛇形走位-leetcode_way:leetcode解决方案的降价

LeetCode算法蛇形走位 This is a record of my exploring leetcode Overview Problem Solution no need to solve math BF findKth most common way std::reverse Finite State Machine brute force bfs when k=2 pointer map,vector map,vector DFS brute force set Greedy prime number 回溯法 回溯法 recursion math 快慢双指针 stack set 二分查找 scan DP,fibonacci recursion DP 中序遍历 recursion 递归 recursion DP recursion or math math math DP DP 递归？回溯+减支？ dfs recursion map (归并排序) math 遍历 split math 《$Algorithm$》 heap ORDER BY,DISTINCT SQL bits