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//Title of this code
//'main' method must be in a class 'Rextester'.
//Compiler version 1.8.0_45

import java.util.*;
import java.lang.*;

class Rextester
{  
    public static void main(String args[])
    {
        System.out.println("Hello, World!");
        int divsnum = 0;
        int indBig = 0; 
        int tempdivs = 0; 
        int LIMIT = 1800;
         ArrayList<Integer> divs = new ArrayList<Integer>();
        
        //triangle array creator
        //int[] tri = new int[LIMIT];
        int sum = 0; 
        
        for(int i=0; i<LIMIT; i++) {
            sum+=i; 
            divs = getDiv(sum); 
            tempdivs = divs.size(); 
            if (tempdivs > divsnum) { divsnum = tempdivs; indBig = sum;}
            
        }
        System.out.println("divsnum: "+divsnum); 
        System.out.println("indBig: "+indBig);
        System.out.println("sum: "+sum);
        SYstem.ou
    }
    
    public static ArrayList<Integer> getDiv(int num) {
     
        ArrayList<Integer> divs = new ArrayList<Integer>(); 
        
        for(int i=1; i<=num; i++) {
         
            if (num%i==0) { divs.add(i); }
        }
        return divs; 
    }
    
}

[ + ] Show input
Compilation time: 0.83 sec, absolute running time: 4.54 sec, cpu time: 4.52 sec, memory peak: 36 Mb, absolute service time: 5.38 sec