#프로그래머스 삼총사

[jeongye01]

class Solution {
public int solution(int[] number) {
int answer = 0;
for(int i=0;i<number.length-2;i++){
for(int j=i+1;j<number.length-1;j++){
for(int k=j+1;k<number.length;k++){
if(number[i]+number[j]+number[k]==0){
answer+=1;
}
}
}
}
return answer;
}
}