public class Ex02Range {

	public static int range1(int[] nums) {
		int smallest = Integer.MAX_VALUE;
		int largest = Integer.MIN_VALUE;
		for (int n : nums) {
			if (n < smallest) {
				smallest = n;
			}
			if (n > largest) {
				largest = n;
			}
		}
		return largest - smallest + 1;
	}
	
	public static int range2(int[] nums) {
		int smallest = nums[0];
		int largest = nums[0];
		for (int i = 1; i < nums.length; i++) {
			int n = nums[i];
			if (n < smallest) {
				smallest = n;
			}
			if (n > largest) {
				largest = n;
			}
		}
		return largest - smallest + 1;
	}
	
	public static void main(String[] args) {
		int[] nums = { 36, 12, 25, 19, 46, 31, 22 };
		System.out.println( range1(nums) );
		System.out.println( range2(nums) );
	}

}