Q:

Swift program to count the digits of a given number using recursion

belongs to collection: Swift User-defined Functions Programs

YasminRadwan26
Save to bookmark
|
2022-07-10
|
  257 
0

Here, we will create a recursive function to count the digits of a specified number and print the result on the console screen.

Iphone Swift, examples, Iphone Swift examples,
login and add your own answer to this question

All Answers

YasminRadwan26
2022-07-10
need an explanation for this answer? contact us directly to get an explanation for this answer

Program/Source Code:

The source code to count the digits of a given number using recursion is given below. The given program is compiled and executed successfully.

// Swift program to count the digits 
// of a given number using recursion

import Swift 

var count:Int = 0

func RecursiveDigitCounter(num:Int)->Int {
	if num > 0 {
		count = count + 1 
		return RecursiveDigitCounter(num:num / 10) 
	}
	return count 
}

var result = RecursiveDigitCounter(num:1234) 
	
print("Total digits are: ",result)

Output:

Total digits are:  4

...Program finished with exit code 0
Press ENTER to exit console.

Explanation:

In the above program, we imported a package Swift to use the print() function using the below statement,

import Swift;

Here, we created a global variable count and recursive function RecursiveDigitCounter () to count the digits of the specified number and printed the result on the console screen.

need an explanation for this answer? contact us directly to get an explanation for this answer

total answers (1)

Swift User-defined Functions Programs
This question belongs to these collections

Similar questions

need a help?

find thousands of online teachers now
Swift program to calculate the sum of all digits u... >>
<< Swift program to calculate the power of a given nu...