reverse order of array

Search Baidu for "Full sorting and Reverse Order Number" to find n multiple results, but the content is scattered. This article aims to summarize the problems in this aspect. If there are any incomplete or incorrect problems, please contact me. The

[Sword refers to Offer learning] [interview question 36: Reverse Order pairs in the array], sword refers to offer Question: two numbers in the array. If the first number is greater than the next number, the two numbers form a reverse order. Enter an

Sword Point 36: Reverse order in an arraytitle: in the array of two numbers, if the previous number is greater than the following number, then the two numbers constitute an inverse pair. Enter an array to find the total number of reverse pairs in

First, the topicIn the array of two digits, if the previous number is greater than the number that follows, then these two numbers form an inverse pair. Enter an array to find the total number of reverse pairs in this array p. and the output of p to

Problem descriptionSet A[1...N] is an array, if for i a[j], then a[i] and a[j] constitute a pair of reverse order. Given an array, calculates the number of reverse pairs in the array. For example, array a[] = {1, 4, 3, 2}, then {4, 3} {4, 2} {3, 2}

Title: Two digits in an array if the previous number is greater than the following number, then these two numbers form a reverse-order pair. Enter an array to find out the total number of reverse pairs in this array For example, in the array {7,5,6,4

I'm bored with it .. In fact, the key to this question is not the method of reverse order, because it is also possible to use brute force. To give a sequence with the length of n (n I use array a [0 ~ N-1] to store raw data. You only need to find

1 , what is the number of reverse order? 2.use a tree array to find the number of reverse order number 2. 1 meaning of the tree array in this context 2. 2 How to use a tree array to find the total number of reverse order numbers

For Web programming, the most important thing is to access and read and write data. There may be many ways to store them, such as strings, arrays, files, and so on. arrays, which can be said to be a more important way of using PHP data. PHP's Array

Title: Two numbers in an array if the previous number is greater than the number that follows, then these two numbers form an inverse pair. Enter an array to find the total number of reverse pairs in this arrayFor example, in the array {7,5,6,4},