Semi-prime H-numbers Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10466 Accepted: 4665 Description This problem is based on an exercise of David Hilbert, who pedagogically suggested that one study the theory of 4n+1 numbers. Here, we do…
徐特尔图表是一个小游戏,在5*5的格子上,无序的写着1~25这25个数子,然后再找出来.其实在JS中也就是将25个数进行随机产生然后放到一个表格中.主要分为两部分,一是随机数的产生,还有一部分就是表格的创建. 创建表格 //拿到页面上用于放表格的容器DIV var div = document.getElementById('box'); //创建一个表格 var tb = document.createElement('table'); tb.width="150"; tb.bord…
题目: Atlantis Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 23758 Accepted: 8834 Description There are several ancient Greek texts that contain descriptions of the fabled island Atlantis. Some of these texts even include maps of parts…
