Microsoft interview questions, inverted Array

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 Namespace  Leleapplication1 {  ///   <Summary>      ///  Microsoft interview questions, an integer Array {1, 2, 3 ......}  ///  Select a number and place the number at the end of the array,  ///  A number larger than this value is arranged progressively at the front end of the array.  ///  Add a number smaller than the number of times to the end, and sort them in ascending order.  ///   </Summary>     Class  Program {  Static   Void Main ( String  [] ARGs ){  //  Set the array value to {1-20}              Int [] Intarr = New   Int [ 20  ];  For ( Int I =0 ; I <intarr. length; I ++ ) {Intarr [I] = I + 1  ;}  //  Obtain the number selected Console. writeline ( "  Selectelements (1-20 ):  "  );  Int Selectelement = Convert. toint32 (console. Readline (); func1 (intarr, selectelement); console. Read ();} ///   <Summary>          ///  Array of output reorganization Sequence  ///   </Summary>          ///   <Param name = "arr"> </param>          ///   <Param name = "selectelement"> </param>          Public   Static   Void Func1 ( Int [] Arr, Int Selectelement ){  Int Index =- 1  ; Swap (ARR,  0 , Arr. Length- 1  );  For ( Int I = 0 ; I <arr. length; I ++ ){  If (ARR [I] = Selectelement) Index =I;} swap (ARR,  0 , Index- 1  ); Swap (ARR, index, arr. Length - 1  );  For ( Int I = 0 ; I <arr. length; I ++ ) {Console. writeline (ARR [I]. tostring ());}}  ///   <Summary>         ///  Value of a segment in the inverted Array  ///   </Summary>          ///   <Param name = "arr"> </param>          ///   <Param name = "beginindex"> </param>          ///   <Param name = "endindex"> </param>          Public   Static   Void Swap ( Int [] Arr,Int Beginindex, Int  Endindex ){  Int Temp =- 1  ;  Int Swaptimes =- 1  ;  If (Endindex-beginindex + 1 ) % 2 = 0  ) Swaptimes = (Endindex-beginindex + 1 )/ 2  ;  Else  Swaptimes = (Endindex-beginindex )/ 2  ;  For ( Int I = 0 ; I <swaptimes; I ++ ) {Temp = Arr [beginindex + I]; arr [beginindex + I] = arr [endindex-I]; arr [endindex -I] = Temp ;}}}}