Swift Array Programming Exercises: Compute the sum of the numbers of a given array of integers except the number immediately after a 11

Last update on June 14 2025 05:35:41 (UTC/GMT +8 hours)

Write a Swift program to compute the sum of the numbers of a given array of integers except the number immediately after a 11.

Pictorial Presentation:

Sample Solution:

Swift Code:

func sum_11(array_nums: [Int]) -> Int {
    var sum = 0
    var ans = true
    for x in 0..<array_nums.count
    {
        if array_nums[x] != 11 && ans == true {
            sum += array_nums[x]
            ans = true
        
        }
        else
        {
        ans = false
        }
       
    }
    
    return sum
}

print(sum_11(array_nums: [1, 2, 11, 1])) 
print(sum_11(array_nums: [1, 1])) 
print(sum_11(array_nums: [1, 2, 2, 1, 11, 5]))
print(sum_11(array_nums: [1, 2, 2, 1, 11]))  
 

Sample Output:

3
2
6
6

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