Max value for map

Max value for map

Source code:

 /*  * ===================================================== ========================================================== ====== ** Filename: max. CC ** Description: ** version: 1.0 * created: 04/09/2012 12:57:56 pm * revision: none * Compiler: GCC ** Author: kangle. wang (Mn), wangkangluo1@gmail.com * company: APE-TECH ** =================================================== ========================================================== ==========  */  # Include <Iostream> # Include <Map> # Include <Algorithm> Using  Namespace  STD; Template < Class T> Bool Paircompare ( Const T & X, Const T & Y ){  Return X. Second < Y. Second;} Template < Class T> Typename T: const_iterator map_max_element (  Const T &A) {typedef typename T: value_type pair_type;  Return Max_element (A. Begin (), A. End (), paircompare <typename T: value_type> );}  Int  Main () {Map < Float , Int > A; Map < Float , Int > : Const_iterator it;  // Data insert  A. insert (pair < Float , Int > (- 2 , 1  ); A. insert (pair < Float , Int > ( 0 , 5  ); A. insert (pair < Float ,Int > ( 2 ,- 5  ); It = Map_max_element (a); cout < "  Row with maximum second element of a map:  " <(* It). First < "  ,  " <(* It). Second < Endl;  Return   0 ;} 

 

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