[Algorithm] 삼총사

[hwangJi-dev]

💬 문제

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

💬 풀이

func solution(_ number:[Int]) -> Int {
    var result = 0
    
    for i in 0..<number.count {
        for j in i+1..<number.count {
            for k in j+1..<number.count {
                if number[i] + number[j] + number[k] == 0 {
                    result += 1
                }
            }
        }
    }
    
    return result
}