What is the meaning of line number 14 in the program? please explain it

this is a return statement

The return statement returns the flow of the execution to the function from where it is called.
As soon as the statement is executed, the flow of the program stops immediately and return the control from where it was called. The return statement may or may not return anything for a void function, but for a non-void function, a return value is must be returned.

this ans will be taken at line 24

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