Using branch and bound method to solve knapsack problem (0/1 knapsack) 1. Problem Description: known to have N of items and a TOT can accommodate the weight of backpacks, the weight of each item I for Weight, the value of Value. Add a can or not Add-wide, to solve how to Add items, the backpack can make the total value of the largest items. 2. The design and analysis: the selection of items or not constitute a solution tree, into the left subtree said, indicated that he did not load right, through the solution search tree reached the optimal solution, and the upper bound of node to kill refuses to comply with the requirements of nodes.

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