463. Island Perimeterhttps://leetcode.com/problems/island-perimeter/就是逐一遍历所有的cell,用分离的cell总的的边数减去重叠的边的数目即可.在查找重叠的边的数目的时候有一点小技巧,就是沿着其中两个方向就好,这种题目都有类似的规律,就是可以沿着上三角或者下三角形的方向来做.一刷一次ac,但是还没开始注意codestyle的问题,需要再刷一遍. class Solution { public: int islandPerime
Bucket Sort is a sorting method that subdivides the given data into various buckets depending on certain characteristic order, thuspartially sorting them in the first go.Then depending on the number of entities in each bucket, it employs either bucke
难度系数排序,容易题1-10题: Cosine Similarity new Fizz Buzz O(1)检测2的幂次 x的平方根 不同的路径 不同的路径 II 两个字符串是变位词 两个链表的和 中位数 主元素 Cosine Similarity 题目: Cosine similarity is a measure of similarity between two vectors of an inner product space that measures the cosine
tmp = [] def bucket_sort(old): for i in range(len(old)): tmp.append([]) for i in old: tmp[int( i * len(old) )].append(i) for i in range(len(old)): #tmp[i].sort() insert_sort(tmp[i]) for i in range(len(old)): if(len(tmp[i]) > 0): print tmp[i] #test ca
例子1 统计1,有唱歌兴趣的 2,按年龄分组 3,求每组平均年龄 4,按平均年龄降序排序 sql转为dsl例子 # 每种型号车的颜色数 > 1的 SELECT model,COUNT(DISTINCT color) color_count FROM cars GROUP BY model HAVING color_count > 1 ORDER BY color_count desc LIMIT 2; GET cars/_search { "size": 0, "