-
Notifications
You must be signed in to change notification settings - Fork 0
/
1945_sum_of_digits.swift
53 lines (51 loc) · 1.05 KB
/
1945_sum_of_digits.swift
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
class Solution {
let dict: [Character: String] = [
"a": "1",
"b": "2",
"c": "3",
"d": "4",
"e": "5",
"f": "6",
"g": "7",
"h": "8",
"i": "9",
"j": "10",
"k": "11",
"l": "12",
"m": "13",
"n": "14",
"o": "15",
"p": "16",
"q": "17",
"r": "18",
"s": "19",
"t": "20",
"u": "21",
"v": "22",
"w": "23",
"x": "24",
"y": "25",
"z": "26"
]
func getSum(_ s: String) -> String {
let arr = Array(s)
var sum = 0
for i in 0 ..< arr.count {
sum += Int(String(arr[i]))!
}
return String(sum)
}
func getLucky(_ s: String, _ k: Int) -> Int {
var str = ""
let arr = Array(s)
for i in 0 ..< s.count {
if let char = dict[arr[i]] {
str += char
}
}
for j in 0 ..< k {
str = getSum(str)
}
return Int(str)!
}
}