C

What is tail recursion? tail recursion Before learning about tail recursion, first understand the end call. In computer science, tail call refers to the case where the last action in a function is a function call: that is, the returned value of this

The main part of wc program in UNIX system, unixwc The following code is the backbone of wc programs in UNIX systems 1 # include 2 3 # define IN 1 4 # define OUT 0 5 6 int main (int argc, char const * argv []) 7 {8 int c, nl, nw, nc, state; 9 10

Fast sorting (detailed explanation) and sorting (detailed explanation) Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger. Description: Data to be sorted is

The second small project in software engineering -- wc, the second small wc in software engineering Github source code and engineering file address:Https://github.com/HuChengLing/wc Basic requirements: the basic function of wc is to collect

Record a very interesting algorithm written by yourself, and record interesting Algorithms Description: The project is an electronic bus stop card. It uses LED lights to represent the bus stop and uses lights to display the location of the car. For

9-6 quick sorting and 9-6 sorting 1. Quick sorting   The famous quick sorting algorithm has a classic division process: we usually use some method to take an element as the principal component, and put the elements smaller than the principal

Computer System roaming Turing Machine: the basic idea is to use machines to simulate the mathematical operation process of people using paper and pen. He regards this process as two simple actions: Write or erase a symbol on paper; Move your

Engineer ideological training from scratch 1. engineer from scratch The purpose of writing this series of blogs: The blogger is a graduate student to be enrolled. His Teaching and Research Section has no specific research direction. He is working on

Diamond character, Total time limit: Ms memory limit: 65536kB Description Given a character, it is used to construct a diagonal line with a length of 5 characters, skewed diamond. Input The input contains only one line and

Data storage mode: Big-end mode and small-end mode. CPU and data in different architectures are stored in different order in the memory. The storage of data in memory is based on bytes. Therefore, Word and Half-Word are stored in two orders: big

U8 pointer forced conversion to u32, u8 pointer forced u32 A u8 type array. the pointer p points to the first element of the array, and the pointer q points to the first element of the array, q is of the u32 * type. What are the values of * p and *

C language entry reference (2), C language entry reference II. C Language There are many programming languages, mainly divided into three categories: machine language, assembly language, and advanced language. A computer can only recognize and

Array notes, array1. array definition: array name of the array type [length], where the length must be an integer greater than 0/* In this sentence, the length of the array must be specified. Do not write it: int a [I]; I = 10; it should be written

Blue Bridge cup _ algorithm training _ expression calculation, Blue Bridge expression The teacher mentioned this problem before learning the stack. Just thinkingYes: 1. Convert the expression (infix) into a suffix; 2.Suffix calculation. The idea

C language basics-Lesson 5-functions, C language functions1. prototype and call of function 1.1 You must define or declare a function before using a function. Double circle (double r );Int main (){Double length = circle (10 );Printf

C language basics-Lesson 6-pointers and C language pointers1 pointer 1.1 pointer 1.1.1 pointer Concept The pointer variable is also a variable. The pointer stores an address pointing to a memory space.1.1.2 definition of pointer Variables You can

Linked List, C linked list A linked list is a struct. Therefore, to implement a linked list, you must use the linked list struct and node struct. Node struct 　 Typedef struct node {// The struct int a of the node; struct node * next; // struct node *

Enumeration, union, and enumeration Union Enum enumeration and union members share a Variable Buffer   Enum is a basic data type, not a constructor type, because it cannot be broken down into any basic data type. The value of some variables is

P1423 Xiaoyu swimming, P1423 Xiaoyu swimmingDescription XiaoYu was happy to swim, but she quickly found out that she was not strong enough to swim very tired. It is known that XiaoYu can swim 2 meters in the first step, but as she gets tired and has

P1290 Euclidean game, p1290 ReidDescription Two descendants of Euclidean Stan and Ollie are playing a digital game invented by their ancestor Euclidean. Given two positive integers M and N, starting from Stan, from a larger number, minus a positive