随笔分类 -  OJ -- HDU

HDU3949 XOR (线性基)
摘要：HDU3949 XOR Problem Description XOR is a kind of bit operator, we define that as follow: for two binary base number A and B, let C=A XOR B, then for e 阅读全文
posted @ 2018-10-11 20:22 real_l 阅读(296) 评论(0) 推荐(0)
Consumer [分组背包]
摘要：Consumer Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/65536 K (Java/Others) Total Submission(s): 2657 Accepted Submission(s): 1397 Probl 阅读全文
posted @ 2018-06-14 16:00 real_l 阅读(252) 评论(0) 推荐(0)
数位DP入门
摘要：切换至❤新页面,体验更加哦 数位dp,是一种用来计数的dp 如果现在给你一道题,需要你求在区间[l,r]内满足条件的解的个数,我们很容易想到去暴力枚举,但要是数据范围太大这种办法就行不通了,这时候数位dp就派上了用场,所谓数位就是把一个数拆成一个一个进制位,然后逐一比较看是否满足题目要求,这其实也是 阅读全文
posted @ 2018-03-10 15:04 real_l 阅读(6537) 评论(18) 推荐(20)