摘要： Today i acrrous a errer about IIS. It say : XXX已存在请选择其他别名 we can soulation it from this step:1."run-cmd"2.In this console ,go to the folder "C:\Inetpub\AdminScripts". example: "c:" "c:\inetpub" "c:\in... 阅读全文

摘要： Question: there are 2n+1 charactors which have n paris of same char. how to find out the odd char in Time O(n), Space O(1)?Algorithom:Firstly, We should focus on the odd char. If we know which one is ... 阅读全文