how to define length of an array after taking an input from the user

Answer 1

(1) Declare an int n

(2) Input value and store it in n

(3) Declare array
int arr[n];

Answer 2

Yes

Answer 3

Is user input a number that defines the array length? if not, can you please describe what you want to do clearly.

Answer 4

https://www.sololearn.com/learn/C/2947/?ref=app
https://www.sololearn.com/learn/C/2950/?ref=app