小坏蛋_千千

UVa 10154 - Weights and MeasuresI know, up on top you are seeing great sights, But down at the bottom, we, too, should have rights. We turtles can't stand it. Our shells will all crack! 

UVa 10006 - Carmichael NumbersAn important topic nowadays in computer science is cryptography. Some people even think that cryptography is the only important field in computer science, and that lif

Chess QueenYou probably know how the game of chess is played and how chess queen operates. Two chess queens are in attacking position when they are on same row, column or diagonal of a chess board

Triangle Counting  You are given n rods of length 1, 2…, n. You have to pick any 3 of them & build a triangle. How many distinct triangles can you make? Note that, two triangles will be co

问题描述：Emily the entrepreneur has a cool business idea: packaging and selling snowflakes. She has devised amachine that captures snowflakes as they fall, and serializes them into a stream of snowflake

问题描述：Once upon a time, in a giant piece of cheese, there lived a cheese mite named Amelia Cheese Mite.Amelia should have been truly happy because she was surrounded by more delicious cheese than she

问题描述：A claw is defined as a pointed curved nail on the end of each toe in birds, somereptiles, and some mammals. However, if you are a graph theory enthusiast, youmay understand the following specia