for loop in reverse order

Yesterday, we made a qualifying round for Tsinghua. Shen Da, Liang laoda, and Xiao cross each handled a single question, and almost fell out of 60. I did B and F, where F is about the number of reverse orders. The complexity is that the worst

Single-Chain tables are output in reverse or reverse order, and single-chain tables are output in reverse order. There are two situations: one is only reverse output, but not reverse output; the other is reverse output of the linked list.   *********

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}

Use the merge sort method to calculate the number of reverse-order logarithm in a sequence (detailed description) and reverse-order logarithmPreface   I have encountered a reverse order query problem today. After thinking about it, I would like to

Http://www.hookcn.org/2011/01/reverse-bits.html   The question originated from a company is very simple:Input a byte (8 bits) and sort it in reverse order. That is to say, if the eight bits in the input byte are "abcdefgh", you need to get "hgfedcba

Java regular loop view and reverse reference functions and Usage Details, java loop view Usage Details This example describes the functions and usage of Java regular loop view and reverse reference. We will share this with you for your reference.

In reverse order, the difficulty lies in how to modify them one by one. Although it is not an array, the general idea is the same, so you can use a for sequence, a cursor corresponds to the I in the for loop, but remember the previous node and the

PL/SQL LoopsThere may be a situation when you need to execute a block of code several times. In general, the statement order executes: The first statement of a function, first executed, then the second ... Wait a minute.Programming languages provide

This article mainly introduces the PHP string reverse sorting implementation method, and summarizes and analyzes the implementation techniques of strrev function, bipartite, cyclic, recursive, and other commonly used string reverse sorting

Reverse iterator and reverse iterator C ++ primer (fourth edition of Chinese Version) page 273rd 9.3.2 begin and end members The begin and end operations generate an iterator pointing to the next position of the first and last elements in the