Add 예상 대진표

Author: co3oing

Programmers/예상 대진표.swift

@@ -0,0 +1,19 @@
+import Foundation
+
+func solution(_ n:Int, _ a:Int, _ b:Int) -> Int
+{
+    var a = a
+    var b = b
+    var answer = 0
+
+    while a != b {
+        a += a % 2
+        a /= 2
+        b += b % 2
+        b /= 2
+        
+        answer += 1
+    }
+
+    return answer
+}