How to return multiple values from a function in C or C++?. Program to print ASCII Value of a character. Arrow operator -> in C/C++ with Examples. Alternating split of a given Singly Linked List | Set 1. Delete alternate nodes of a Linked List. Alternate Odd and Even Nodes in a Singly Linked List. Reverse alternate K nodes in a Singly Linked List. Reverse a Linked List in groups of given size | Set 2. Reverse a Linked List in groups of given size | Set 1. Add Two Numbers Represented by Linked Lists | Set 3. Add two numbers represented by linked lists | Set 2. Add two numbers represented by linked lists | Set 1. Detect and Remove Loop in a Linked List. Write a function that counts the number of times a given int occurs in a Linked List. 
Program for Nth node from the end of a Linked List.ISRO CS Syllabus for Scientist/Engineer Exam.
ISRO CS Original Papers and Official Keys. GATE CS Original Papers and Official Keys. Hence, the solution takes 15 + 35 + 60 + 95 = 205 number of comparisons. In this context, we are now going to solve the problem using this algorithm. Obviously, this is better than the previous one. Therefore, the total number of operations is Hence, merge operations can be performed on this sequence Sorting the numbers according to their size in an ascending order, we get the following sequence − Now, the question arises is there any better solution? If merge operations are performed according to the provided sequence, then Let us consider the given files, f 1, f 2, f 3, f 4 and f 5 with 20, 30, 10, 5 and 30 number of elements respectively. 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.
Asymptotic Notations & Apriori Analysis.
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