Cadbury Problem in java Algorithm

CandidateCode.java

import java.io.*;
public class CandidateCode 
{ 
    private static int cadbury(int m,int n,int p,int q)
	{
    	if (m>n){
    		int temp=m;
    		m=n;
    		n=temp;
    	}if (p>q){
    		int temp=p;
    		p=q;
    		q=temp;
    	}	
		int count=0;
		for (int i = m;i>0;)
		{
			for (int j= p;j>0;)
			{
				int counter = getCount(i,j);
				System.out.println("total number of students are :"+counter);
				count = count + counter;
				if(j==q){
					j=-1;
			    	break;
				}
				j=q;
				}
			if(i==n){
				i=-1;
				break;
			}
			i=n;
		}
		return count;
	}

	private static int getCount(int m, int p)
	{
		int count = 0;
		
		for(int i=0,j=0;i>=0 && j>=0;i++)
		{
			if(m==p){
				j=-1;
				count++;
				break;
			}
			if(m<p){
				p=p-m;
				count++;
			}
			if(m>p){
				m=m-p;
				count++;
			}
			
		}
		return count;
	}
	

	public static void main(String[] args)
	{
		//7,8,9,6-----5,6,3,4-------
		int count=cadbury(7,8,9,6);
		System.out.println("Counter : "+ count);
	}
}

problem :- [Check what was the problem (https://www.careercup.com/question?id=5190297283723264)