HELLOZMZ Blog

Thinking will not overcome fear but action will.

House Robber

House Robber

动态规划，小偷1：https://leetcode.com/problems/house-robber 解答思路：https://leetcode.com/problems/house-robber/discuss/156523/From-good-to-great.-How-to-approach-most-of-DP-problems. 代码： Java: public int ro...

Posted by HELLOZMZ on June 5, 2019

Coin Change

Coin Change

动态规划，3个硬币的问题：https://leetcode.com/problems/coin-change/ 解答思路：https://leetcode.com/problems/coin-change/discuss/77360/C%2B%2B-O(n*amount)-time-O(amount)-space-DP-solution 代码： class Solution { publ...

Posted by HELLOZMZ on June 4, 2019

test_blog

为了测试blog

测试图片

Posted by HELLOZMZ on June 2, 2019

Xcode命令行工具管理

如何切换Xcode命令行工具

安装 xcode-select --install Xcode版本切换 显示当前使用的xocde版本 $ xcode-select --print-path 选择Xcode中的默认版本 $ sudo xcode-select -switch /Applications/Xcode.app

Posted by BY on May 5, 2018

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