从这里开始 题目地址 瞎扯 Problem A Piles With Stones Problem B And Problem C Photo of The Sky Problem D Chemical table Problem E Hills Problem F AB-Strings 瞎扯 打比赛,发现自己越来越菜. 差点C题都不会了,怀疑人生... 发现自己C的贪心挂了两次然后D题不会怀疑不应来打这场比赛. 然后看到E.出题人的仁慈啊..终于不考智商了.提高组的送分dp(好吧,应该是省选里…
http://gmod.org/wiki/MAKER_Tutorial 简单好用 identify repeats, to align ESTs and proteins to the genome, and to automatically synthesize these data into feature-rich gene annotations, including alternative splicing and UTRs, as well as attributes such as…
mysql中You can't specify target table <tbl> for update in FROM clause错误的意思是说,不能先select出同一表中的某些值,再update这个表(在同一语句中). 如下l: 需要将select出的结果再通过中间表select一遍,就可以规避了错误. 如下: PS:这个问题只出现于mysql,sql service 和 oracle 不会出现此问题.…