Right click to grant access permission -> Specific user

Click “share”

Enter the folder VCProjectsItems and open the file newc++file.cpp with Notepad. Paste the following into the file and save:

#define _CRT_SECURE_NO_WARNINGS 1

Right-click the folder VCProjectItems and click Properties -> Share -> Advanced sharing, click “share this folder” to uncheck it, and click “apply” and “OK”.

This will solve the problem. Create a new C/C + + file in vs. you can see the following code on the first line:

#define _CRT_SECURE_NO_WARNINGS 1

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In this way, no error will be reported when using functions such as scanf(), printf().