摘要：
LeetCode 279. Perfect Squres DP 是笨办法中的高效办法，又是一道可以被好办法打败的 DP 题。 题目描述 Given a positive integer n, find the least number of perfect square numbers (for e 阅读全文
摘要：
LeetCode 1025. 除数博弈 博弈问题，非常有趣。 题目描述 Alice and Bob take turns playing a game, with Alice starting first. Initially, there is a number N on the chalkboa 阅读全文