七夜

Problem D: XYZZY ADVENT: /ad�vent/, n. The prototypical computer adventure game, first designed by Will Crowther on the PDP-10 in the mid-1970s as an attempt at computer-refereed fantasy gaming,

My little sister had a beautiful necklace made of colorful beads. Two successive beads in the necklace shared a common color at their meeting point. The figure below shows a segment of the necklace:

Problem H Morning Walk Time Limit 3 Seconds   Kamalis a Motashotaguy. He has got a new job in Chittagong.So, he has moved to Chittagong fromDinajpur. He was getting fatter

Problem F Ordering Tasks Input: standardinput Output: standardoutput Time Limit: 1 second Memory Limit: 32MB   John has n tasks to do.Unfortunately, the tasks are not independent and the execut

Play on Words Some of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve it to open that doors. Because there is no other way to open the doors, the puz

Bicoloring  In 1976 the ``Four Color Map Theorem" was proven with the assistance of a computer. This theorem states that every map can be colored using only four colors, in such a way that

方法二：

style="font-size:24px;color:#c0ffff;">  Maze Exploration  A maze of rectangular rooms is represented on a two dimensional grid as illustrated in figure 1a. Each point of the grid is represented by a

A friend of you is doing research on the Traveling Knight Problem (TKP) where you are to find the shortest closed tour of knight moves that visits each square of a given set of n squares on a chessbo

By filling a rectangle with slashes (/) and backslashes ( ), you can generate nice little mazes. Here is an example: As you can see, paths in the maze cannot branch, so the whole maze only contai

The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides th

InterGames is a high-tech startup company that specializes in developing technology that allows users to play games over the Internet. A market analysis has alerted them to the fact that games of chan

A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more special. It has a solid wheel colored with five different colors as shown in the figure: The colored

You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not be filled with rock. It takes one minute to move one unit north, south