[프로그래머스]Lv1 삼총사 C++

https://school.programmers.co.kr/learn/courses/30/lessons/131705?language=cpp 

프로그래머스

소스코드

#include <string>
#include <vector>

using namespace std;

int solution(vector<int> number) {
	int answer = 0;


	for (int i = 0; i < number.size(); i++)
	{
		for (int j = i+1;  j < number.size();  j++)
		{
			for (int k = j+1; k < number.size(); k++)
			{
				if (number[i] + number[j] + number[k] == 0)
					answer++;
			}
		}

	}



	return answer;
}