public class y10 {
	public static void main(String args[]) {
//Упражнение 1
{
		int[] q = new int[10];
		for(int i = 0; i < 10; i++){
		    q[i] = i;
			   	System.out.print(2*i + 1 + ", ");
			}
		System.out.println();
}
//Упражнение 2, 3
{
			int[] N = {5,1,1,4,-5,-5,7,8,2,2,9};
			int min, max;
			min = N[0];
			max = N[0];
			for(int i = 0; i < N.length; i++){
				if (min>= N[i])
					min = N[i];
				if (max<= N[i])
					max = N[i];
				}
			for(int i = 0; i < N.length; i++){
				if (min==N[i])
					System.out.println("min= "+min);
				if (max==N[i])
					System.out.println("max= "+max);
				}
}
//Упражнение 4
{
    			int [] q = {1,3,4,5};
    			int min, max, tmp;
    			min = q[0];
    			max = q[0];
    			tmp = 0;
    			for(int i = 0; i < q.length; i ++){
    				if (min>= q[i])
    					min = i;
    				if (max<= q[i])
    					max = i;
    			}
    			tmp=q[min];
     			q[min]=q[max];
    			q[max]=tmp;
    			for(int i=0; i<q.length; i ++)
    				System.out.print(q[i] + ", ");
}
					System.out.println();
//Упражнение 5
{
				int [] q = {1,2,3,4};
				double w = 0;
				for(int i = 0; i < q.length; i ++){
					w=q[i]+w;
					}
					System.out.println("sr= "+w/(q.length+1));
		}
	}
}