Contrary to the arguments of some (that much of the pacific was settled by Polynesians accidentally marooned after being lost and adrift), it seems reasonable (that this feat was accomplished by deliberate colonization expeditions that set out fully…

最近看了<python编程:从入门到实践>,里边设计的项目拿来学习学习,绘制世界人口地图. 首先,下载数据,http://data.okfn.org/ ,从这里下载population_data.json,我没有找到书上的原版数据,下载了如下,一样可以用,数据附在后边,数据是19年4月更新的,书上的案例是2010年的,有点旧了,本案例用2017年的数据 然后写python代码如下 #!/usr/bin/python # -*- coding: UTF-8 -*- import pygal_ma…

B. Island Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100114 Description On February 30th this year astronauts from the International Space Station flew over the Pacific Ocean and took a picture, on which was discovered a pr…

题目链接:LightOJ 1418 Problem Description I have bought an island where I want to plant trees in rows and columns. So, the trees will form a rectangular grid and each of them can be thought of having integer coordinates by taking a suitable grid point as…

You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one isla…

Given an m x n matrix of non-negative integers representing the height of each unit cell in a continent, the "Pacific ocean" touches the left and top edges of the matrix and the "Atlantic ocean" touches the right and bottom edges. Wate…

https://leetcode.com/problems/island-perimeter/ 在一个N×N的矩阵中,N<100,1代表岛,0代表海,岛内没有海,求岛的周长 [[0,1,0,0], [1,1,1,0], [0,1,0,0], [1,1,0,0]] Answer: 16 Explanation: The perimeter is the 16 yellow stripes in the image below: 由正方形组成的不规则图形的周长和正方形个数有什么关系? 这个就是这题的…

具体可以参考https://github.com/Homebrew/homebrew/issues/21002 cd /usr/local git status git reset --hard origin/master git clean -d…

#463. Island Perimeter You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and th…

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:9001/api/size/get. (Reason: CORS header 'Access-Control-Allow-Origin' missing). 打开API项目录,命名用NuGet安装Microsoft.AspNet.WebApi.Cors: 在WebApiCon…