洛谷P5728旗鼓相当的对手 java题解

import java.util.Scanner;
public class P5728旗鼓相当的对手 {
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();  
        int[][] arr = new int[n][3];
        for(int i=0;i<n;i++) {
            for(int j=0;j<3;j++) {
                arr[i][j] = scanner.nextInt();                        
            }
        }
        int count=0,counts=0,sum=0,sums=0;
        for (int i=0;i<n-1;i++) {
            for(int j=i+1;j<n;j++) {
                for(int q=0;q<3;q++) {
                    sum+=arr[i][q];
                    sums+=arr[j][q];
                    if(arr[i][q]-arr[j][q]<=5 && arr[i][q]-arr[j][q]>=-5) {
                        count++;
                    }
                }
                if(count==3 && sum-sums<=10 && sum-sums>=-10) {
                    counts++;
                }
                count=0;
                sum=0;
                sums=0;        
            }
        }
        System.out.println(counts);
    }
    
}