This leetcode's problem is a favorite question of coding interviews. The data structure we are going to work with is Singly LinkedList. It's super fun. Note: We are not going to use the inbuilt LinkedList class of C# because that is a doubly linked list....
:rtype: List[int] """m, n =len(matrix),len(matrixandmatrix[0])return[matrix[i][d-i]fordinrange(m+n-1)foriinrange(max(0, d-n+1),min(d+1, m))[::d%2*2-1]] Runtime:148 ms. Your runtime beats 59.43 % of python3 submissions....
Set接口继承Collection接口,它与List集合有一个区别就是:List集合可以保存重复的数据,而Set集合不可以。Set接口有三个常用实现类:HashSet,特点:它不按照存储的顺序保存,具有不确定性,也就是说每一次遍历集合出的元素排序不一定相同;允许使用null元素LinkedHashSet,特点:它是HashSet的子类,但它却是按照自然顺序保存的...