values()) #找出各个元素出现的次数 min_count=min(count) if 1 in count: #如果有元素只出现一次,那么一定不满足X>=2 return False for i in range(2,min_count+1): #记得加1 if all([c%i==0 for c in count]): #只要有一个X可以即可,触发思想 return True return False编辑于 2020-03-29 1...
https://leetcode.com/problems/count-submatrices-with-equal-frequency-of-x-and-y/description/ 给出一个二维的字符矩阵grid,其中grid[i][j]为'X', 'Y' 或 '.' 。返回满足下列条件的子矩阵(submatrices)的个数。 包含grid[0][0] 子矩阵中'X'出现的次数等于'Y'出现的次数 至少包含一个'X' 例如grid...
828. Count Unique Characters of All Substrings of a Given String # 题目 # Let’s define a function countUniqueChars(s) that returns the number of unique characters on s, for example if s = "LEETCODE" then "L", "T","C","O","D" are the unique characters
1470-tweet-counts-per-frequency 1475-maximum-sum-bst-in-binary-tree 1477-product-of-the-last-k-numbers 1484-linked-list-in-binary-tree 1485-minimum-cost-to-make-at-least-one-valid-path-in-a-grid 1496-lucky-numbers-in-a-matrix 1497-design-a-stack-with-increment-operation 1502-construct-k...
A set of practice note, solution, complexity analysis and test bench to leetcode problem set - leetcode/CountSubArrayFixBound.drawio at b58bcceb0ea27d0756ad72fb6a64b3b547fae221 · brianchiang-tw/leetcode
[leetcode] 1448. Count Good Nodes in Binary Tree Description Given a binary tree root, a node X in the tree is named good if in the path from root to X there are no nodes with a value greater than X. Return the number of good nodes in the binary tre......
0434-Number of-Segments-in-a-String 0435-Non-overlapping-Intervals 0437-Path-Sum-III 0438-Find-All-Anagrams-in-a-String 0443-String-Compression 0447-Number-of-Boomerangs 0450-Delete-Node-in-a-BST 0451-Sort-Characters-By-Frequency 0454-4Sum-II 0455-Assign-Cookies 0458-Poo...