Category：C
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Time：2021-12-30
I used to think that C language was deep into the bone marrow for me, and all the grammatical details were already familiar to me. I didn’t understand it until I met a written test question, a crazy written test question. Pattern, Tucson! Hey, I’m still too young. The code of the original question […]
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Time：2021-12-30
Parameter transfer refers to the process that the actual parameters will transfer the parameter value to the corresponding formal parameters during the running of the program, and then realize the data processing and return in the function. There are three ways to pass parameters: pass by value Address delivery Reference passing tips: The formal parameters […]
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Time：2021-12-29
Please take 5 seconds to check the following code for bugs. OK, the skilled programmer should have found the bug. I didn’t add the keyword break under line 13; This makes the behavior logic of this code inconsistent with my original design intention. Shortcoming 1 Correct syntax, logical error This is the […]
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Time：2021-12-29
/* Problem description The recurrence formula of Fibonacci sequence is: FN = fn-1 + fn-2, where F1 = F2 = 1. When n is large, FN is also very large. Now we want to know what is the remainder of FN divided by 10007. */ #include<stdio.h> #include<stdlib.h> int N=10007; /*Calculate Fibonacci function*/ int Fibonacci (int […]
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Time：2021-12-28
1、 Taken out of context C language has appeared for 50 years. Many contents are outdated, and at least 20% of the contents have no practical value. C + + goes too far. At least 70% of the content has no practical value. Linux, too, has thousands of commands, no more than 50 commonly used […]
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Time：2021-12-28
Get a simple one today #include<stdio.h> #include<stdlib.h> #include<time.h> main() { int a,b; char c; srand(time(NULL)); a=1+(rand()%1000); Printf (“I have a number between 1 and 1000 \ n can you guess the number I want? \ n please enter your guess. \ n”); scanf(“%d”,&b); while(b!=-1) { if(b==a) { Printf (“correct answer \ ndo you want to […]
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Time：2021-12-27
National Computer Rank Examination (NCRE) It is a national computer proficiency test sponsored by the examination center of the Ministry of education and facing the society, which is used to test the computer application knowledge and skills of candidates. The level is divided into level one, two, three and four. The subjects of level two […]
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Time：2021-12-27
Preprocessing command #include <stdio.h> #include <stdlib.h> #define TRUE 1 #define FALSE 0 typedef int elemtype; typedef struct tNode* tree; typedef struct tNode { elemtype elem; tree left; tree right; }tNode; Calculate the number of nodes in the tree //Specify the function: return the number of nodes in the incoming tree //Fixed tail header: Tail: when […]
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Time：2021-12-26
1 big ball battle With the gradual infiltration of computers into all levels of social life, computers have become a part of people’s daily life. More and more people use computers for office, entertainment and so on. Ball and ball battle was once a popular mobile game. Now let’s play it in C language~ […]
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Time：2021-12-26
This paper mainly introduces the methods and steps of C + + traversing all files under a folder. I’ll share it with you and leave a note for myself.. #include<iostream> #include<string> #include<io.h> #include<cstdio> #include<cstdlib> #include<cstring> using namespace std; void fileSearch(string path) { long hFile = 0; /* _ finddata_ T structure for storing various information […]
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Time：2021-12-25
Some time ago, I shared some essential knowledge points about C language. Interested friends can check my past articles, or pay attention to the C language advanced path of the official account, check the next article, or search keywords, “programming white foundation”, you can check the relevant chapters. After talking about the knowledge points of […]
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Time：2021-12-25
An event driven library with less than 200 lines is made, which is based on C + + 11 standard, header only, cross platform. Support custom events through wake_ The up function wakes up asynchronously. The motivation of writing this library is to provide log rollback mechanism for the log library written by yourself before. […]
