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점프와 순간 이동.swift

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//

// 점프와 순간 이동.swift

// Programmers1

//

// Created by hwangJi on 2022/12/24.

//

import Foundation

func solution(_ n:Int) -> Int {

var n = n

var ans: Int = 0

while n != 0 {

if n % 2 == 0 {

n = n / 2

} else {

n = n - 1

ans += 1

}

}

return ans

}