D - RGB Triplets 题意:有一个长度为 n 的字符串 s,只包含字符 R G B,找出满足以下两个条件的三元组 (i,j,k)(1≤i<j<k≤n)
要得到三个字母不同的子序列,直接考虑用乘法原理。之后再进行遍历把满足 j−ik−j 的情况去掉即可…
论文地址:https://arxiv.org/abs/1904.08189
论文代码:https://github.com/Duankaiwen/CenterNet
发布时间:2019.4.17
发布机构:University of Chinese Academy of Sciences ;University of Oxford ;Hua…
1.题目
Alice and Bob each created one problem for HackerRank. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality, and difficulty.The rating for Alices challenge is the triplet a…
pdc->textout( Oh, yes, PDC was the shiznit. We learned about the Pillars of Longhorn: 哦,是的,PDC真是愚蠢。 我们了解了Longhorn的Struts: Lornhorn - Its ALPHA, but its real. Feel free to peruse the SDK. Theres 3 years of…