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摘要： ACM/ICPC2018北京网络赛 Hihocoder1831 : 80 Days 描述 80 Days is an interesting game based on Jules Verne's science fiction "Around the World in Eighty Days". 阅读全文

摘要： ACM/ICPC2018北京网络赛 Hihocoder1830 : Cheat 描述 Cheat is a card game played by four players sitting around a table. They are numbered from 1 to 4 in clockw 阅读全文

摘要： HDU2177 取(2堆)石子游戏 Problem Description 有两堆石子，数量任意，可以不同。游戏开始由两个人轮流取石子。游戏规定，每次有两种不同的取法，一是可以在任意的一堆中取走任意多的石子；二是可以在两堆中同时取走相同数量的石子。最后把石子全部取完者为胜者。现在给出初始的两堆石子的 阅读全文

摘要： 51Nod 1185 威佐夫游戏 V2 Description 有2堆石子。A B两个人轮流拿，A先拿。每次可以从一堆中取任意个或从2堆中取相同数量的石子，但不可不取。拿到最后1颗石子的人获胜。假设A B都非常聪明，拿石子的过程中不会出现失误。给出2堆石子的数量，问最后谁能赢得比赛。 例如：2堆石子 阅读全文

摘要： Gym 101667I Slot Machines Description Slot machines are popular game machines in casinos. The slot machine we are considering has six places where a f 阅读全文

摘要： Gym 101667F Philosopher's Walk Description In Programming Land, there are several pathways called Philosopher’s Walks for philosophers to have a rest. 阅读全文

摘要： Gym 101667D Happy Number Description Consider the following function ݂ defined for any natural number ݊: ݂ሺ݊ሻ is the number obtained by summing up the 阅读全文

摘要： Gym 101667C Game Map Description The ICPC World is the most popular RPG game for ACM ICPC contestants, whose objective is to conquer the world. A map 阅读全文

摘要： HDU1496 Equations Problem Description Consider equations having the following form: a x1^2+b x2^2+c x3^2+d x4^2=0 a, b, c, d are integers from the int 阅读全文

摘要： Gym101158G Placing Medals on a Binary Tree 题意 一颗完全二叉树，给出n个点，xi的值表示深度为xi的点。问能否在当前状态下使得从根节点到该点的路径中不会遇到其他点。 思路 其实本题的意思就是 1/2,1/4,1/8等等等等，看剩下的点能不能减。然而由于k值 阅读全文