【题目链接】:click here~~ 【题目大意】: In the Fibonacci integer sequence, F0 = 0, F1 = 1, andFn =Fn − 1 + Fn − 2 forn ≥ 2. For example, the first ten terms of the Fibonacci sequence are: 0, 1, 1, 2, 3, 5,
Leetcode 3070. Count Submatrices with Top-Left Element and Sum Less Than k 1. 解题思路2. 代码实现 题目链接:3070. Count Submatrices with Top-Left Element and Sum Less Than k 1. 解题思路 这一题就是一个二维的累积数组的问题,我们直接求一下累积数