01 Answer: C Explanation: Brief 02 Answer: D Explanation: Brief 03 Answer: A Explanation: Brief 04 Answer: C Explanation: Brief 05 Answer: C Explanation: BB represents two characters, the carriage return character, \ represents \, ‘ represents ‘, space, \r represents carriage return but does not line feed, moving the print head back to the … Read more
Scan the code to follow Chip Dynamics and say goodbye to “chip” congestion! Search WeChatChip Dynamics In the realm of C language, if pointers are the “swordsmen” who dominate the scene, then const is their “golden shield”. Today, we will unveil four magical protective combinations: const int *p, int *const p, int const *p, const … Read more
In any programming language, the scope is the area in which a variable defined in the program exists; outside of this area, the variable cannot be accessed. In C language, there are three places where variables can be declared:Local variables inside functions or blocksGlobal variables outside of all functionsFormal parameters in function definitionsIn the last … Read more
Do not think about whether you can succeed, since you have chosen the distance, just focus on the journey through wind and rain; do not think about whether cold winds and rain will come from behind, since the goal is the horizon, all that is left for the world is your silhouette! Keep it up! … Read more
“Assembly Language” 3rd Edition by Wang Shuang Chapter 5 [BX] and loop instructions (Page 121) Experiment 4 Usage of [bx] and loop (1) Program to sequentially transfer data 0 to 63 (3FH) to memory 0:200~0:23F. (2) Program to sequentially transfer data 0 to 63 (3FH) to memory 0:200~0:23F. The program can only use 9 instructions, … Read more
In the Rust programming language, a trait is a very important concept that can include: functions, constants, types, etc. To put it simply, a trait defines shared behavior in an abstract way. It can be thought of as an interface in some languages, but there are certain differences, which will be introduced below. 1. Member … Read more
1. Multiple Choice Questions Question 1 Problem: Run the following program, the output result is () . Code: int func(int y){y -= 5;cout <<"x";return 0;}int main(){int x=10,y=5;if(x>y || func(y))cout<< y;return 0;} A. XO B. X5 C. 5 D. 0 Question 2 Problem: Run the following program, the output result is () . Code: int i=1,t=0;while(i … Read more
Learn programming with Lao Ma by “leveling up and fighting monsters”! Involves examination: Computer Society Programming Ability Level Certification (GESP) Event content: Provides real exam questions of different levels for students to choose for practice Preparation advice: Choose corresponding questions based on your preparation level Additional value: Can be used as preparation training for whitelist … Read more
1. Run the following program, the output result is ( ). A.X0 B.X5 C.5 D.0 Knowledge points assessed: functions, local variables, and global variables. 2. Run the following program, the output result is ( ). A.3 B.4 C.9 D.16Knowledge points assessed: simulation.i=1, satisfies the while statement, runs t=1, i=3;i=3, satisfies the while statement, runs t=2, … Read more
Click the blue text above to follow us immediately When children express a desire to learn programming, Python and graphical programming (Scratch or Kitten) may be the first choices. However, today we will discuss a seemingly “hardcore” yet immensely promising option—C++. It is not only the “key to success” in informatics competitions but also the … Read more