Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:

• Integers in each row are sorted in ascending from left to right.
• Integers in each column are sorted in ascending from top to bottom.

来源：Image-to-Image Translation with Conditional Adversarial Nets

源码：Github

这篇文章主要提供了一个基于cGAN的模型，并且利用这个general的模型可以同时应用到多个任务场景中去，而不需要额外设置模型结果和目标函数。

• Photos to semantic segmentation
• Cityscapes labels to photos
• Colorization
• Facades labels to photo
• Day to night
• The edges to photo
• And so on.

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Given an integer array with all positive numbers and no duplicates, find the number of possible combinations that add up to a positive integer target.

Example

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

nums = [1, 2, 3]
target = 4

The possible combination ways are:
(1, 1, 1, 1)
(1, 1, 2)
(1, 2, 1)
(1, 3)
(2, 1, 1)
(2, 2)
(3, 1)

Note that different sequences are counted as different combinations.

Therefore the output is 7.

　　整理一些关于Generative Adversarial Nets的论文

• Generative Adversarial Nets

• Conditional Generative Adversarial Nets

• DRAW: A Recurrent Neural Network For Image Generation

Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.

For example, Given the following matrix:

1
2
3
4
5

[
  [1, 2, 3]
  [4, 5, 6]
  [7, 8, 9]
]

You should return [1,2,3,6,9,8,7,4,5].

来源：NIPS2016

这篇论文提出了一个基于GAN的网络模型，同时可以进行视频识别和视频生成的task。

Task

　　Video recognition  & video Generation.

　　即利用一些Unlabeled videos 去训练模型同时解决识别问题和视频生成的任务。

实验表明：

  1. 模型可以生成一些短小的视频并且效果较好

  2. 可以根据static image 预测之后的图片序列

  3. 模型学习到的特征可以很好的用来进行图片分类

Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram.