topcoder SRM 592 DIV2 LittleElephantAndBooks

 #include <iostream>
 #include <vector>
 #include <algorithm>

 using namespace std;

 class LittleElephantAndBooks{
 public:
      int getNumber(vector<int> pages,int number){
         sort(pages.begin(),pages.end());
         int res = pages[number];
         for(int i = ; i < number-; i ++ ){
             res += pages[i];
         }
         return res;
     }
 };