Swift String Exercises: Accept two strings of different length and return a string of the form short+long+short

Last update on June 14 2025 13:04:50 (UTC/GMT +8 hours)

Write a Swift program that accept two strings of different length and return a string of the form short+long+short. Two given string's length may be 0.

Pictorial Presentation:

Sample Solution:

Swift Code:

func combine_strings(_ str1: String, _ str2: String) -> String {
    if str1.characters.count > str2.characters.count
    {
        return str2+str1+str2
    } else 
    {
        return str1+str2+str1
    }
}

print(combine_strings("Swift", "Examples"))
print(combine_strings("", ""))
print(combine_strings("Green", "Red"))

Sample Output:

SwiftExamplesSwift

RedGreenRed

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