틀린게 없는데 계속해서 RTE(SIGKILL Memory exceeded)에러가납니다...
너무 메모리를 많이 잡아 먹은건가요??

import java.util.Scanner;

public class Main {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    int n = 0;
    int max=0;
    int Test=0;
    int [][]arr;
    int [][]temp;
    Scanner scan = new Scanner(System.in);
    System.out.println("테스트 케이스 횟수");
    Test=scan.nextInt();
    if(Test<=50){
    while(Test>0){
    System.out.println("삼각형의 크기");
    n = scan.nextInt();
    arr = new int[n][n];
    temp = new int[n][n];
    if (n >= 2 && n <= 100) {
        for (int i = 0; i < n; i++) {
            for (int j = 0; j <= i; j++) {
                arr[i][j] = scan.nextInt();
                if(arr[i][j]<1 || arr[i][j]>10000)
                    break;

            }
        }
        sum(0,arr,temp);
        max=temp[n-1][0];  //최대값을 임시로 저장
        for(int j=1;j<n;j++){
            if(temp[n-1][j]>max)
                max=temp[n-1][j];
        }
        System.out.println(max);

    }
    Test--;

}
}

}

private static void sum(int index,int [][]arr,int [][]temp){
    temp[0][0]=arr[0][0];
    for(int i=0;i<arr.length-1;i++){
     for(int j=0;j<=i;j++){
         if(i==0){
             temp[i+1][j]=temp[i][j]+arr[i+1][j];
             temp[i+1][j+1]=temp[i][j]+arr[i+1][j+1];
         }
         if(j==0)
             temp[i+1][j]=temp[i][j]+arr[i+1][j];

         if(i!=0 && j!=0){
             temp[i+1][j]=Math.max(temp[i][j]+arr[i+1][j],temp[i][j-1]+arr[i+1][j]);
         }
         if(i==j)
                temp[i+1][j+1]=temp[i][j]+arr[i+1][j+1];  

     }
    }
}

}