initial unfinished
fixing a build issue for different GCC
Working version of the without array KnapSack
Finished Code for knapSack-big as well
Merge branches 'master' and 'dev_opt' of github.com:KaranTalreja/AlgoHW3.1 into dev_opt
Added final code for big KnapSack problem.

Memory usage reduction of order ~200.
Results added for recursion based approach

Output_small contains for the smaller case
Output_large contains for the big case

Contents
Total number of iterations
Total elements added in Map
Total memory used
Best possible knapsack value
Least memory comsumption commit for large Input

The run time increases considerably. Not a good alternative.
Revert "Least memory comsumption commit for large Input"

This reverts commit 597dafecdbf781824326a00bb5b4e474c4ef6b9e.
This change has been added in dev_exp branch