题目

题目描述

请实现一个函数，把 字符串 s 中的每个空格替换成"%20" 。

题目

题目描述

在一个 n * m 的二维数组中，每一行都按照从左到右递增的顺序排序，每一列都按照从上到下递增的顺序排序。请完成一个函数，输入这样的一个二维数组和一个整数，判断数组中是否含有该整数。

题目

题目描述

找出 数组中重复的数字 。
在一个长度为 n 的数组 nums 里的所有数字都在 0～n-1 的范围内。数组中某些数字是重复的，但不知道有几个数字重复了，也不知道每个数字重复了几次。请找出数组中任意一个重复的数字。

Mask R-CNN[1] is a framework for object instance segmentation, which adds a branch for predicting an object mask in parallel with the existing branch for bounding box recognition of Faster R-CNN. There are some details of reading and implementing it.

LTM(Local Transformation Module)[1] focus on the relationship of the local features. It uses linear transformation of the relationship matrix in a high-dimensional metric embedding space to accomplish the transformation. There are some details of reading and implementing it.

PGNet(Pyramid Graph Networks)[1] modeled structured segmentation data with graphs and further proposed a pyramid-like structure that models different sizes of image regions as graph nodes. There are some details of reading and implementing it.