// purpose: perform simple list processing activities

import java.util.*;

public class Array {

	// print(): display a
	public static void print( int[] a ) {
																												// if ( a == null ) { System.out.println( "null" ); return; }

		for (int i = 0; i < a.length; ++i ) {
			System.out.print( a[ i ] + " " );
		}
	}

	// println(): display a and a newline
	public static void println( int[] a ) {
	}

	// randomize(): set elements of a to random values between 0 and n-1
	public static void randomize( int[] a, int n ) {
	}

	// sum(): produce the sum of the elements in a
	public static int sum( int[] a ) {
		int sum = 0;
		for (int i = 0; i < a.length; ++i ) {
			sum = sum + a[ i ];
		}
		return sum;
	}

	// copy(): produce a new array that is identical to a
	public static int[] copy( int[] a ) {
		int n = a.length;

		int[] b = new int[ n ];

		for ( int i = 0; i < n; ++i ) {
			b[ i ] = a[ i ];
		}

		return b;

	}

	// max(): produces a new array whose elements are the max of the
	// corresponding elements of a and b 
	public static int[] max( int[] a, int[] b ) {
		if ( a.length != b.length ) {
			return null;
		}
		else {
			int n = a.length;
			int[] c = new int[ n ];

			return c;
		}
	}
}