Swift Array Programming Exercises: Compute the sum of all the elements of a given an array of integers and length 4

Last update on June 14 2025 05:34:49 (UTC/GMT +8 hours)

Write a Swift program to compute the sum of all the elements of a given an array of integers and length 4.

Pictorial Presentation:

Sample Solution:

Swift Code:

func sum4(_ arra: [Int]) -> Int {
    return arra.reduce(0, +)
}
print(sum4([1, 2, 3, 4]))
print(sum4([1, 5, 7, 11]))
print(sum4([-5, 4, 1, 0]))

Sample Output:

10
24
0

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