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class Solution {
 
 
public static void main(String[] args){
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
 
}
 
 
    	static int budgetShopping(int n, int[] bundleQuantities, int[] bundleCosts) {
 
    		if (    n <= 0
    				|| bundleCosts == null || bundleQuantities == null
    				|| bundleCosts.length == 0 || bundleQuantities.length == 0
    				|| bundleCosts.length != bundleQuantities.length
    				) {
	        	return 0;
	        }
 
	        final int[] max = {0};
 
	        calculateRecursive(n, bundleCosts, bundleQuantities, max, 0, 0);
 
	        return max[0];
	    }
 
    	static void calculateRecursive(int n, int[] cost, int[] quantity, int[] max, int position, int count) {
	        if (n == 0 || position == cost.length) {
                if (count>max[0]) {
                    max[0] = count;
                }
	            return;
	        }
	        for (int i = 0; i <= n/cost[position]; i++) {
	            calculateRecursive(n - i * cost[position], cost, quantity, max, position + 1, count + i * quantity[position]);
	        }
	    }
 
}

Main.java:6: error: ']' expected
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                              ^
Main.java:6: error: ')' expected
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                  ^
Main.java:6: error: ';' expected
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                   ^
Main.java:6: error: ']' expected
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                             ^
Main.java:6: error: not a statement
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                         ^
Main.java:6: error: illegal start of expression
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                               ^
Main.java:6: error: ';' expected
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                                ^
Main.java:6: error: illegal start of expression
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                                 ^
Main.java:6: error: ';' expected
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                                  ^
Main.java:6: error: illegal start of expression
	System.out.println(budgetShopping(50, int [] [20,1], int [] [12,2]));
	                                                                   ^
10 errors

Standard output is empty