using C++ thanks

Exercise1 Ask 4 numbers from the user and put them into an array. Then output the four numbers to the screen. Example Enter number 1?3 Enter number 2 5 Enter number 3? 67 Enter number 4? 10 3 5 67 10 Exercise 2 Calculate the sum and average of the 4 numbers read from the user using array. Exercise 3 Create the following pattern using two dimensional array. *x *X*X *