[프로그래머스] Lv.1 삼총사 -js

https://school.programmers.co.kr/learn/courses/30/lessons/131705

프로그래머스

 

 

나의 풀이

function solution(number) {
    var answer =[];
    for(let i =0; i<number.length-2; i++){
        for(let j =i+1; j<number.length-1; j++){
            for(let k = j+1; k<number.length; k++){
                if(number[i]+number[j]+number[k] === 0) answer.push([number[i],number[j],number[k]]);
            }
        }
    }
    return answer.length;
}