프로그래머스 바탕화면정리 자바스크립트(js) 풀이

https://school.programmers.co.kr/learn/courses/30/lessons/161990

 

프로그래머스

 

function solution(wallpaper) {
    
    let pos = []
    let answer =[]
    
    wallpaper.forEach((paper,index)=> {
        for(let i = 0 ; i < paper.length; i++){
            if(paper[i] === '#'){
                pos.push([index,i])
            }
        }
    })
    
    pos.sort((a,b)=>{
        return a[1]-b[1]
    })
    const down = [...pos]

     pos.sort((a,b)=>{
        return a[0]-b[0]
    })

    answer.push(pos[0][0])
    answer.push(down[0][1])
    answer.push(pos[pos.length-1][0]+1)
    answer.push(down[down.length-1][1]+1)
    
    return answer
}