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Problem Solving/PROGRAMMERS

[javascript]ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - ๊ฐ™์€ ์ˆซ์ž๋Š” ์‹ซ์–ด

by DevIseo 2022. 8. 30.

[javascript]ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - ๊ฐ™์€ ์ˆซ์ž๋Š” ์‹ซ์–ด

https://school.programmers.co.kr/learn/courses/30/lessons/12906?language=javascript 

 

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”.

programmers.co.kr

function solution(arr)
{
    var answer = [];
    for(var i=0;i<arr.length;i++){
        const lastVal = answer[answer.length-1]
        if(lastVal!==arr[i]){
         answer.push(arr[i])   
        }
    }

    return answer;
}

 

javascript์—์„œ๋Š” append๊ฐ€ ์•„๋‹ˆ๋ผ push!

javascript์—์„œ๋Š” ๋งˆ์ง€๋ง‰ idx ๊ฐ’ answer.length-1 ์ด์šฉ!

๋Œ“๊ธ€