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题目：http://poj.org/problem?id=1915 Background Mr Somurolov, fabulous chess-gamer indeed, asserts that no one else but him can move knights from one position to another so fast. Can you beat him? The Problem Your task is to write a program to calculate the m

题目：https://acm.hdu.edu.cn/showproblem.php?pid=2717 Problem Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K