explain in simple words the use of %2d, *, %5s in scanf("%2d %d %*f %5s", &x, &y, text), where text is text[20] ?

Answer 1

You can see here
https://code.sololearn.com/cvPUumvaHUu4/?ref=app

Answer 2

What is %-6.1f Shubham bro ?