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[Data structs] DIJKSTRA DL : 0: Suppose you want to find the shortest path between two intersections on a map, a starting point and a destination. To accomplish this, you could highlight the streets (tracing the streets with a marker) in a certain order, until you have a route highlighted from the starting point to the destination. The order is conceptually simple: at each iteration, create a set of intersections consisting of every unmarked intersection that is directly connected to a marked intersection, this will be your set of considered intersections. From that set of considered intersections, find the closest intersection to the destination (this is the "greedy" part, as described above) and highlight it and mark that street to that intersection, draw an arrow with the direction, then repeat. In each stage mark just one new intersection. When you get to the destination, follow the arrows backwards. There will be only one path back against the arrows, the shortest one.
Date : 2025-12-30 Size : 1kb User : synthia
[Data structs] zoumigong DL : 0: 走迷宫程序开始运行时显示一个迷宫地图，迷宫中央有一只老鼠，迷宫的右下方有一个粮仓。游戏的任务是使用键盘上的方向键操纵老鼠在规定的时间内走到粮仓处。要求： 1老鼠形象可辨认，可用键盘操纵老鼠上下左右移动； 2迷宫的墙足够结实，老鼠不能穿墙而过； 3正确检测结果，若老鼠在规定时间内走到粮仓处，提示成功，否则提示失败； 4找出走出迷宫的所有路径，以及最短路径。另希望能说明采用的设计方法、设计技术路线，包括采用的设计方法和步骤以及任务流程图，指定的功能模块说明、设计说明，越详细越好。-Maze Displayed when the program starts running a maze map, there is a rat maze center, bottom right of the maze there is a granary. Game is to use the arrow keys on the keyboard to manipulate the mouse come within the stipulated time at the barn. Requirements: A recognizable image of the mouse, the keyboard can be used to manipulate the mouse down and move around Wall strong enough 2 maze, rats can not pass through walls 3 correct test results, if the rats come within the specified time at the barn, suggesting that success or failure of prompt 4 out of the maze to find all the paths, and the shortest path. Also hope to illustrate the design approach, design lines, including use of design methods and procedures, and task flow diagram, description of specific modules, design specifications, the more detailed the better. 朗读显示对应的拉丁字符的拼音字典
Date : 2025-12-30 Size : 1kb User : 孙婷婷
[Data structs] relational DL : 1: SSD7.ER Mapping Map your ER schema into a relational database schema, using the mapping algorithm. Express the resulting relational database schema, using the following notation: PK for Primary Key, AK for Alternate Key, and FK for Foreign Key with an arrow to corresponding Table (Primary key) as given below. Show the results of your work for each step of the mapping algorithm. Submit your work in a file called relational-schema.txt.
Date : 2025-12-30 Size : 2kb User : Evgenya
[Data structs] rec_jt_lx_cl DL : 0: 使用c++语言在vc环境下编写的可画出矩形、箭头、菱形和圆形的小程序。-A programm of drawing a rectangle, an arrow, a diamond and a circular using c++ language in vc environment.
Date : 2025-12-30 Size : 1.88mb User : 张夏蕾