题目链接：https://www.luogu.org/problemnew/show/P1508题目：题目背景问世间，青春期为何物？答曰：“甲亢，甲亢，再甲亢；挨饿，挨饿，再挨饿！”题目描述正处在某一特定时期之中的李大水牛由于消化系统比较发达，最近一直处在饥饿的状态中。某日上课，正当他饿得头昏眼花之时，眼前突然闪现出了一个nm(n and m<=200)的矩型的巨型大餐桌，而自己正处在...
题目链接：http://exam.upc.edu.cn/problem.php?id=5093题目：题目描述Ms. Thomas is managing her class of n students.She placed all her students in a line, and gave the i-th student from the left a card with the l...
题目链接：http://exam.upc.edu.cn/problem.php?id=5094题目：题目描述As part of a CS course, Alice just finished programming her robot to explore a graph having n nodes, labeled 1, 2, . . . , n, and m directed edg...
题目链接：http://exam.upc.edu.cn/problem.php?id=5095题目：题目描述You’re playing hopscotch! You start at the origin and your goal is to hop to the lattice point (N, N). A hop consists of going from lattice poi...