题目描述 An edit step is a transformation from one word x t […]
1561: Slash Maze
题目描述 By filling a rectangle with slashes (/) and backsl […]
1560: The Tourist Guide
题目描述 Mr. G. works as a tourist guide in Bangladesh. His […]
1559: Playing with Wheels
题目描述 Consider the following mathematical machine. Digit […]
1558: Bicoloring
题目描述 The four-color theorem states that every planar ma […]
1557: Bigger Square Please…
题目描述 Tomy has many paper squares. The side length (size […]
1556: Color Hash
题目描述 This puzzle consists of two wheels. Both wheels ca […]
1555: Garden of Eden
题目描述 Cellular automata are mathematical idealizations o […]
1554: Tug of War
题目描述 Tug of war is a contest of brute strength, where t […]
1553: Servicing Stations
题目描述 A company offers personal computers for sale in N […]