32. 이상한 문자 만들기

https://programmers.co.kr/learn/courses/30/lessons/12930

 

파이썬

평범하게.. 

def solution(s):
    answer = []
    for each in s.split(' '):
        temp = ''
        for index, letter in enumerate(each):
            if index % 2:
                temp += letter.lower()
            else:
                temp += letter.upper()
        answer.append(temp)
    return ' '.join(answer)

코드 뽐내기 --;

def solution(s):
    return ' '.join([''.join([letter.lower() if index % 2 else letter.upper() for index, letter in enumerate(each)]) for each in s.split(' ')])

자바스크립트

function solution(s) {
    var result = []
    s.split(' ').forEach(
        function(letters) {
            let temp = '';
            for (let i in letters) temp += (i % 2) ? letters[i].toLowerCase() : letters[i].toUpperCase();
            result.push(temp);
        }
    );
    return result.join(' ');
}

자바

class Solution {
    public String solution(String s) {
        var words = s.toCharArray();
        var count = 0;
        for (int i = 0; i < s.length(); i++) {
            count = (words[i] == ' ') ? 0 : ++count;
            words[i] = (count % 2 == 0) ? Character.toLowerCase(words[i]) : Character.toUpperCase(words[i]);
        }
        return String.valueOf(words);
    }
}

코틀린

class Solution {
    fun solution(s: String): String {
        val words = s.toCharArray()
        var count = 0
        for (i in s.indices) {
            count = if (words[i] == ' ') 0 else ++count
            words[i] = if (count % 2 == 0) Character.toLowerCase(words[i]) else Character.toUpperCase(words[i])
        }
        return String(words)
    }
}

고

import "unicode"

func solution(s string) string {
	words := []rune(s)
	count := 0
	for i, letter := range words {
		if letter == ' ' {
			count = 0
		} else {
			count++
		}
		if count%2 == 0 {
			words[i] = unicode.ToLower(words[i])
		} else {
			words[i] = unicode.ToUpper(words[i])
		}
	}
	return string(words)
}

C#

public class Solution
{
    public string solution(string s)
    {
        int count = 0;
        string answer = "";
        for (int i = 0; i < s.Length; i++)
        {
            answer += (count % 2 == 0) ? char.ToUpper(s[i]) : char.ToLower(s[i]);
            count = (s[i] == ' ') ? 0 : ++count;
        }
        return answer;
    }
}