C

A question about the condition of using auto-increment and auto-subtraction in parentheses when a while loop is used A question in Chapter 5 of C Primer Plus: /* Test program 2015.12.26 */# include # Define TEN 10int main (void) {int n = 0;

The value of do {} while (0) when macro definition (# define) is in C language, Recently I found that do {...} is used everywhere in the code of the new company {...} while (0), google, I found that there was a lot of discussion on Stack Overflow,

Somethings about Floors, Question content: There are N levels (N> = 0) in a stair. How many steps are there from the bottom to the top of every step of level 1 or Level 2? Input requirements: Only one row of input, and only one number N(If N> 20, N =

Simple calendar in C language, Simple calendar written in C language, the Code is as follows: # Include int main (int argc, const char * argv []) {// insert code here .. int year, month, day = 0, day1 = 0; printf ("Enter the year:"); scanf ("% d", &

Qt Custom Search boxBrief Introduction The search box is frequently used. Such as browser search and Windows Resource Manager search. Of course, there is no pressure on Qt implementation, as long as the idea is clear, it can be done in

Set the background color of QWidget in QtBrief Introduction QWidget is the base class of all user interface objects, which means you can change the background color for other subclass controls in the same way. Three methods are described below for

Poj 2777 Count Color (line segment tree + dyeing problem)    Count Color Time Limit:1000 MS   Memory Limit:65536 K Total Submissions:40402   Accepted:12186   DescriptionChosen Problem Solving and Program design as

Talk together (80th: C language instance-process mutex) Hello, everyone. In the previous review, we talked about examples of parent and child processes. The example is as follows:Process mutex. When you leave the rest of your time, your words will

Talk C chestnuts together (78th back: C language instance-create process) Hello, everyone. The last time we talked about the example of the DIY ls command continued, the example we mentioned here is:Create Process. When you leave the rest of your

Talk C chestnuts together (81st back: C language instance-process stopped) Hello, everyone. In the previous example, we talked about the process mutex. This example is as follows:Process stopped. When you leave the rest of your time, your words will

Understanding the system clock of STM32 and the system clock of STM32 STM32 has five clock sources: HSI is a high-speed internal clock and RC oscillator with an 8 MHz frequency; HSE is a high-speed external clock with a frequency range of 4 ~ 6

Experience-let you understand blockIn fact, I don't think block users often use block. block users should be unfamiliar. Now let's open the true face of block and look at the essence of block. For a common local variable, the block only references

OC push box, push box # Include # include int main (void) {char sr; // store user input commands // draw map char a [11] [20] = {"################## #", "##################", "####$ ###", "###########","######", "###############","####@####", ###",

Experience-Parent and Child controllers (verify Apple's sentence) Apple has a very good official saying:When the view of the controller is parent-child, it is best for the Controller to be parent-child. In my previous article, I mentioned a very

Experience-use const and macro in PCHMost of the time, due to the development needs, we often need to define some variables used in the entire project in pch. In general, in the previous development process, we are all used to writing a macro

Hdu1540 Tunnel Warfare (line segment tree)Tunnel WarfareTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission (s): 6052 Accepted Submission (s): 2340Problem Description During the War of Resistance Against

Hdu 2177 (2 heap) Stone Game (Wythoff Game )) Rock game (2 heaps)Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission (s): 1649 Accepted Submission (s): 993 Problem Description has two piles of stones,

Zzuli oj 1167 reverse number (pointer topic), zzuliojDescription If you are given an integer, this number may be very large (up to 100 digits). Can you find its reverse number?The reverse number is defined as follows:1. There is no zero integer at

Hdu 1540 Tunnel Warfare (merge line segment tree segments) Question link: http://acm.hdu.edu.cn/showproblem.php? Pid = 1, 1540  Tunnel WarfareTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission (s): 6065

Hdu1698 Just a Hook (line segment tree)Just a HookTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission (s): 24473 Accepted Submission (s): 12193Problem Description In the game of DotA, Pudge's meat hook