<div><span style="font-size: 11pt;">You are given a number sequence a<sub>1</sub>,a<sub>2</sub>,a<sub>3</sub>...,a<sub>n</sub> , your task is to find if there is a pair of interger (i,j) that a<sub…
<p>For this problem,you will write a program that takes a string of characters,S,and creates a new string of characters,T,with each character repeated R times.That is,R copies of the first character of S,followed by R copies of the second character of S,…
<div>今天,pasher打算在一个浪漫的花园和他的搭档们聚餐,但是不幸的是,pasher忘记了花园的地点,他只记得这个花园看上去像个平行于坐标轴的正方形,他还记得花园的每个顶点上都有一棵大数。现在,pasher知道其中两棵树的坐标,且这两棵树在对角线上,你能帮他找出另外两棵树的坐标吗?</div>