#include <iostream>
#include <vector>
#include <algorithm>
#include <tuple>
 
typedef std::vector<std::vector < int>> Type ;
struct Chrom         // to demonstrate
{
  Type bit;
};
 
std::tuple<int, int, int> findPosition(const std::vector<Chrom>& vec3D, const int& val)
{
   int First = 0, Second = 0, Third = -1;   // initilize the positions
   for(const Chrom& each_chrom: vec3D)
   {
      for(const std::vector<int>& innerVec: each_chrom.bit)
      {
         std::vector <int>::const_iterator get_pos;
         get_pos = std::find(innerVec.cbegin(), innerVec.cend(), val);
         Third = (*get_pos == val) ? get_pos - innerVec.cbegin(): -1;   // check val found otherwise -1
         if(Third != -1) return std::make_tuple(First, Second, Third);  // if found return them
         ++Second;
      }
      Second = 0;
      Third = -1;
      ++First;
   }
   return std::make_tuple(First, Second, Third);
}
 
int main()
{
   // this is a 3 dimensional vector
   std::vector<Chrom> popcurrent(2);          //  position inside the popcurrent
   popcurrent[0].bit =  {  {3,2,1},           // (0,0,0) (0,0,1) (0,0,2)
                           {3,10,1}  };       // (0,1,0) (0,1,1) (0,1,2)
   popcurrent[1].bit =  {  {5,8,11},          // (1,0,0) (1,0,1) (1,0,2)
                           {4,7,1}  };        // (1,1,0) (1,1,1) (1,1,2)
 
   int pos_popcurrent, pos_bit, pos_inner_vec;
   for(int val = 1; val <= 12; ++val)
   {
      std::cout << "\nCurrently looking for: " << val ;
      std::tie(pos_popcurrent, pos_bit, pos_inner_vec) = findPosition(popcurrent, val);
      (pos_inner_vec != -1) ?
         std::cout << "  found @ popcurrent[ " << pos_popcurrent << " ].bit[ " << pos_bit << " ][ " << pos_inner_vec <<" ]":
         std::cout << "  Not found";
   }
   return 0;
}
 

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