In an open credit system, the students can choose any course they like, but there is a problem. Some of the students are more senior than other students. The professor of such a course has found quite a number of such students who came from senior cl…
CVPR2020论文介绍: 3D 目标检测高效算法 CVPR 2020: Structure Aware Single-Stage 3D Object Detection from Point Cloud 随着CVPR2020入选论文的曝光,一篇关于自动驾驶的文章被录用,该论文提出了一个通用.高性能的自动驾驶检测器,首次实现3D物体检测精度与速度的兼得,有效提升自动驾驶系统安全性能.目前,该检测器在自动驾驶领域权威数据集KITTI BEV排行榜上排名第三.论文是如何解决物体检测难题的? View…
A permutation on the integers from 1 to n is, simply put, a particular rearrangement of these integers. Your task is to generate a given permutation from the initial arrangement 1, 2, 3, . . . , n using only two simple operations. • Operation 1: You…
原题poj 2299:http://poj.org/problem?id=2299 题意,给你一个数组,去统计它们的逆序数,由于题目中说道数组最长可达五十万,那么O(n^2)的排序算法就不要再想了,归并排序~~~ 这里列出归并的解法: #include"iostream" using namespace std; const int maxn=500000+10; int T[maxn]; int a[maxn]; long long sum; void merge_sort(int…
---恢复内容开始--- J - 中途相遇法 Time Limit:9000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Description The SUM problem can be formulated as follows: given four lists A, B, C, D<tex2html_verbatim_mark> of integer values, comput…
G - 贪心 Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Description Simon and Garfunkel Corporation (SG Corp.) is a large steel-making company with thousand of customers. Keeping the customer satisfied is one of…
Given several segments of line (int the X axis) with coordinates [Li , Ri ]. You are to choose the minimal amount of them, such they would completely cover the segment [0, M]. Input The first line is the number of test cases, followed by a blank line…
My birthday is coming up and traditionally I’m serving pie. Not just one pie, no, I have a number N of them, of various tastes and of various sizes. F of my friends are coming to my party and each of them gets a piece of pie. This should be one piece…
In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping two adjacent sequence elements until the sequence is sorted in ascending order. For the input sequence 9 1 0 5…
H - 贪心 Crawling in process... Crawling failed Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Description Most financial institutions had become insolvent during financial crisis and went bankrupt or were boug…
Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Description A set of n<tex2html_verbatim_mark> 1-dimensional items have to be packed in identical bins. All bins have exactly the same length l<tex2html_…
Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Description Before the invention of book-printing, it was very hard to make a copy of a book. All the contents had to be re-written by hand by so calledscribers. T…
Description There are N<tex2html_verbatim_mark> marbles, which are labeled 1, 2,..., N<tex2html_verbatim_mark> . The N<tex2html_verbatim_mark> marbles are put in a circular track in an arbitrary order. In the top part of the track ther…
Description John Doe is a famous DJ and, therefore, has the problem of optimizing the placement of songs on his tapes. For a given tape and for each song on that tape John knows the length of the song and the frequency of playing that song. His pro…
Description The SUM problem can be formulated as follows: given four lists A, B, C, D<tex2html_verbatim_mark> of integer values, compute how many quadruplet (a, b, c, d ) AxBxCxD<tex2html_verbatim_mark> are such that a + b + c + d = 0<tex…
Description Shaass has n books. He wants to make a bookshelf for all his books. He wants the bookshelf's dimensions to be as small as possible. The thickness of the i-th book is ti and its pages' width is equal to wi. The thickness of each book is ei…
Description Most financial institutions had become insolvent during financial crisis and went bankrupt or were bought by larger institutions, usually by banks. By the end of financial crisis of all the financial institutions only two banks still co…
G - 贪心 Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Description Simon and Garfunkel Corporation (SG Corp.) is a large steel-making company with thousand of customers. Keeping the customer satisfied is one of…
