import Foundation
/*
Computes the median of three integers.
The median is the value that is neither the minimum nor the maximum.
Formula:
median = a + b + c - min(a, b, c) - max(a, b, c)
*/
func medianOfThreeNumbers(_ a: Int, _ b: Int, _ c: Int) -> Int {
// Determine the minimum of the three numbers
let minVal: Int
if a <= b && a <= c {
minVal = a
} else if b <= a && b <= c {
minVal = b
} else {
minVal = c
}
// Determine the maximum of the three numbers
let maxVal: Int
if a >= b && a >= c {
maxVal = a
} else if b >= a && b >= c {
maxVal = b
} else {
maxVal = c
}
// The median is the remaining value
return a + b + c - minVal - maxVal
}
// Test cases
print("The median of [1, 1, 1] is \(medianOfThreeNumbers(1, 1, 1))")
print("The median of [10, 3, 7] is \(medianOfThreeNumbers(10, 3, 7))")
print("The median of [10, -10, -10] is \(medianOfThreeNumbers(10, -10, -10))")
print("The median of [3, 3, 5] is \(medianOfThreeNumbers(3, 3, 5))")
/*
run:
The median of [1, 1, 1] is 1
The median of [10, 3, 7] is 7
The median of [10, -10, -10] is -10
The median of [3, 3, 5] is 3
*/