Number of ways to score total N when a player can score either of 3,5,10

gistfile1.txt

func waysToScore(n: Int) -> Int {

    var arr: [Int] = [Int](repeating: 0, count: n + 1)
    arr[0] = 1
    for index in 1...n {
        // print("index: \(index)")
        if index - 3 >= 0 {
            // print("index - 3 > 0 ----Start--------")
            // print("\(arr[index])")
            // print("\(arr[index - 3])")
            
            arr[index] += arr[index - 3]
            
            // print("\(arr[index])")
            // print("index - 3 > 0 ----End--------")
        }
        if index - 5 >= 0 {
            // print("index - 5 > 0 ----Start--------")
            // print("\(arr[index])")
            // print("\(arr[index - 5])")
            
            arr[index] += arr[index - 5]
            
            // print("\(arr[index])")
            // print("index - 5 > 0 ----End--------")
        }
        if index - 10 >= 0 {
            // print("index - 10 > 0 ----Start--------")
            // print("\(arr[index])")
            // print("\(arr[index - 10])")
            
            arr[index] += arr[index - 10]
            
            // print("\(arr[index])")
            // print("index - 10 > 0 ----End--------")
        }
        print("pass-\(index): \(arr)")

    }
    
    return arr[n]
}

let output = waysToScore(n: 13)
print(output)