Node.weight) := ((node.leftchild).weight) + ((node.rightchild).weight)Īt the end of this algorithm, the weight of the root node represents the optimal cost. To find this optimal solution, the following algorithm is used. Initially, each element of this is considered as a single node binary tree. Two-way merge patterns can be represented by binary merge trees. To merge a p-record file and a q-record file requires possibly p + q record moves, the obvious choice being, merge the two smallest files together at each step. At each step, two shortest sequences are merged. Hence, this type of merging is called as 2-way merge patterns.Īs, different pairings require different amounts of time, in this strategy we want to determine an optimal way of merging many files together. If the number of sorted files are given, there are many ways to merge them into a single sorted file. We need to find an optimal solution, where the resultant file will be generated in minimum time. Merge a set of sorted files of different length into a single sorted file. Travelling Salesperson Approximation Algorithm.Travelling Salesman Problem | Dynamic Programming.
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