Problem Description Inversion Count for an array indicates - how far (or close) the array is from being sorted. If array is already sorted then inversion count is 0. If array is sorted in reverse order that inversion count is the maximum. Formally speaking, two elements a[i] and a[j] form an inversion if a[i] > a[j] and i < j. Example: The sequence 2, 4, 1, 3, 5 has three inversions (2, 1), (4, 1), (4, 3). Requirement • Design should be based on divide and conquer. • Running time should NOT be worse than 0(n logn). • Must use recursion to solve the subproblems. Input Specification Your program should read from an input file, which starts with a line indicating the number of test cases. Each of the following lines indicates a test case, and each test case includes a sequence of numbers (separated by spaces) for which you need to count inversions. Sample Input 2 4 1 3 5 1 2 4 8 9 3 5 6 1 20 6 4 5
Problem Description Inversion Count for an array indicates - how far (or close) the array is from being sorted. If array is already sorted then inversion count is 0. If array is sorted in reverse order that inversion count is the maximum. Formally speaking, two elements a[i] and a[j] form an inversion if a[i] > a[j] and i < j. Example: The sequence 2, 4, 1, 3, 5 has three inversions (2, 1), (4, 1), (4, 3). Requirement • Design should be based on divide and conquer. • Running time should NOT be worse than 0(n logn). • Must use recursion to solve the subproblems. Input Specification Your program should read from an input file, which starts with a line indicating the number of test cases. Each of the following lines indicates a test case, and each test case includes a sequence of numbers (separated by spaces) for which you need to count inversions. Sample Input 2 4 1 3 5 1 2 4 8 9 3 5 6 1 20 6 4 5
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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