1. Trees Tree is a recursive structure. 1.1 math nodes https://class.coursera.org/principlescomputing-001/wiki/view? page=trees 1.2 CODE无parent域的树 http://www.codeskulptor.org/#poc_tree.py class Tree: """ Recursive definition for trees plus…
题目如下: Tic-tac-toe is played by two players A and B on a 3 x 3 grid. Here are the rules of Tic-Tac-Toe: Players take turns placing characters into empty squares (" "). The first player A always places "X" characters, while the second pl…
题面: C. Team Tic Tac Toe Input file: standard input Output file: standard output Time limit: 1 second Memory limit: 256 megabytes Farmer John owns 26 cows, which by happenstance all have names starting with different letters of the alphabet, so Farmer…
题目传送门:http://poj.org/problem?id=1632 Vase collection Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 2308 Accepted: 901 Description Mr Cheng is a collector of old Chinese porcelain, more specifically late 15th century Feng dynasty vase…