摘要：
A. Inscribed Figures The math faculty of Berland State University has suffered the sudden drop in the math skills of enrolling students. This year the 阅读全文
摘要：
https://leetcode.com/problems/longest-increasing-subsequence/ Given an unsorted array of integers, find the length of longest increasing subsequence. 阅读全文
摘要：
https://leetcode.com/problems/length-of-longest-fibonacci-subsequence/ A sequence X_1, X_2, ..., X_n is fibonacci-like if: n >= 3 X_i + X_{i+1} = X_{i 阅读全文