计蒜客救援问题 运行没问题 提交一组都通过不了 大佬帮忙看看

import java.util.*;

public class Main {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);

    double n = scan.nextDouble();
    double[][] a = new double[(int) (n + 2)][5];
    double[] b=new double[(int)n+2];
    double x=0,y=0;
    for (int i = 1; i <= n; i++) {
        for(int j=1;j<=3;j++){
        a[i][j]=scan.nextInt(); 
        b[i]=Math.sqrt(a[i][1]*a[i][1]+a[i][2]*a[i][2])*2/50;
        y+=a[i][3]*1.5;

}
}
for(int k=1;k<=n;k++){
x+=b[k];
}
System.out.print(String.format("%.0f",Math.ceil(x+y)));
}
}