def merge_sort(arr): if len(arr) <= 1: return arr mid = len(arr) // 2 left_arr = arr[:mid] right_arr = arr[mid:] left_sorted = merge_sort(left_arr) right_sorted = merge_sort(right_arr) return merge(left_sorted, right_sorted) def merge(left_arr, right_arr): res = []...
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Algorithm: MERGESORT(A[low…high])输⼊:待排序数组A[low,...high]输出:A[low…high]按⾮降序排列 01. if low<high then 02. mid←[(low+high)/2]03. MERGESORT(A, low, mid)04. MERGESORT(A, mid+1, high)05. MERGE(A, low, mid, high)06. end if 三、时间复杂...
1.迪杰斯特拉算法(Dijkstra's Algorithm):用于求解带权有向图中的最短路径问题。 2.弗洛伊德算法(Floyd's Algorithm):用于求解带权有向图中任意两点间的最短路径。 3.拓扑排序(Topological Sort):用于有向无环图的排序问题,将图的节点线性排序,使得所有的有向边从前面的节点指向后面的节点。 4.最小生成树算法...
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2.1.39 Part 2 Section 12.2.4.26, Relationships Transform Algorithm 2.1.40 Part 4 Section 2.2.1, background (Document Background) 2.1.41 Part 4 Section 2.2.2, body (Document Body) 2.1.42 Part 4 Section 2.3.1.4, bar (Paragraph Border Between Facing Pages) 2.1.43 Part 4 Secti...
A naive algorithm of O(n2) is trivial. You MUST do better than that. Example: Given nums = [-2, 5, -1], lower = -2, upper = 2, Return 3. The three ranges are : [0, 0], [2, 2], [0, 2] and their respective sums are: -2, -1, 2. ...
戴克斯特拉算法(Dijkstra’s algorithm)是由荷兰计算机科学家艾兹赫尔·戴克斯特拉提出。迪科斯彻算法使用了广度优先搜索解决非负权有向图的单源最短路径问题,算法最终得到一个最短路径树。该算法常用于路由算法或者作为其他图算法的一个子模块。 该算法的输入包含了一个有权重的有向图G,以及G中的一个来源顶点S。我...
选项C“Bubble sort”是冒泡排序算法,属于排序算法。选项D“Hash function”是哈希函数,用于将数据映射到特定的值,不是排序算法。 17.In a sorting algorithm, which one is usually more efficient for large datasets? A.Insertion sort B.Selection sort C.Merge sort D.Bubble sort 答案:C。对于大型数据集,...
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