This week, I had some mistakes. It is really hard to say: #1 py business what's happening l = abs(px[x] - bl); r = abs(px[x] - br); t = abs(py[x] - bt); b = abs(pxpy[x] - bb); How can I felt smooth while typing these codes? Everyone will punch me!!!…
Problem: Given a binary tree, count the number of uni-value subtrees. A Uni-value subtree means all nodes of the subtree have the same value. For example:Given binary tree, 5 / \ 1 5 / \ \ 5 5 5 return 4. Analysis: This problem is super simple. But,…
https://github.com/Netflix/Hystrix/wiki/How-it-Works Contents Flow Chart Circuit Breaker Isolation Threads & Thread Pools Request Collapsing Request Caching Flow Chart The following diagram shows what happens when you make a request to a service depe…
A Simple Nim Problem Description Two players take turns picking candies from n heaps,the player who picks the last one will win the game.On each turn they can pick any number of candies which come from the same heap(picking no candy is not allowed)…
A Simple Nim Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 980 Accepted Submission(s): 573 Problem Description Two players take turns picking candies from n heaps,the player who picks the l…
A Simple Nim Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 79 Accepted Submission(s): 48 Problem Description Two players take turns picking candies from n heaps,the player who picks the las…
