KMP on geeksforgeeks, with a well-commented C code. I am sorry that I am still inable to give a personal explanation of the algorithm. I only read it from the two links above and mimic the code in the second link. You may use this code to solve the problemImplement strStr()on Leet...
Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the ...LeetCode 2014. Longest Subsequence Repeated k Times【BFS/字符串】困难 本文属于「征服LeetCode」...