Discuss how they compare to brute-force approach. In addition, discuss the differences and
similarities (implementation and performance) between the solution for knapsack problem
using Backtracking  versus Branch and Bound . The essay needs to be graduate level depth and breadth and at least 50% original thought. Note that work which is not written in student’s own words will not earn credit. Changing words to their synonyms is not sufficient and often changes the meaning of the context or makes it read as garbage because technical terms are changed incorrectly.