位运算 Posted on 2022-08-01 Edited on 2026-04-14 In C++ Word count in article: 867 Reading time ≈ 3 mins. 位运算基本操作 Read more »
Binary Search Posted on 2022-07-30 Edited on 2026-04-14 In C++ Word count in article: 2.1k Reading time ≈ 7 mins. 算法思路：假设目标值在闭区间`[l, r]`中， 每次将区间长度缩小一半，当`l = r`时，我们就 Read more »
离散化 Posted on 2022-04-14 Edited on 2026-04-14 In C++ Word count in article: 962 Reading time ≈ 3 mins. 离散化是把无限空间中有限的个体影射到有限的空间去，依此提高算法的效率 Read more »