Section 6.1 Pretest Do Loops

40178:  Given an integer variable k that has already been declared, use a While loop to print a single line consisting of 88 asterisks.  Use no variables other than k.

k = 0
Do While (k < 88)
Console.Write("*")
k += 1
Loop

40179:  Given an Integer variable n that has already been declared and initialized to a positive value, use a While loop to print a single line consisting of n asterisks.  Use no variables other than n.

Do While (n > 0)
Console.Write("*")
n -= 1
Loop

40180:  Given Integer variables k and total that have already been declared, use a While loop to compute the sum of the squares of the first 50 whole numbers, and store this value in total.  Thus your code should put 1*1 + 2*2 + 3*3 + ... + 49*49 + 50*50 into total.  Use no variables other than k and total.

k = 1
total = 0
Do While (k <= 50)
total = (total + (k*k))
k += 1
Loop

40181:  Given an Integer variable n that has been initialized to a positive value and, in addition, Integer variables k and total that have already been declared, use a While loop to compute the sum of the cubes of the first n whole numbers, and store this value in total.  Use no variables other than n,k, and total.

k = 0
total = 0
Do While (k <= n)
total = (total + (k*k*k))
k += 1
Loop

40379:  Given an int variable n that has been initialized to a positive value and, in addition, int variables k and total that have already been declared, use a while loop to compute the sum of the cubes of the first n counting numbers, and store this value in total.  Thus if n equals 4, your code should put 1*1*1 + 2*2*2 + 3*3*3 + 4*4*4 into total.  Use no variables other than n, k , and total.  Do NOT modify n.

k = 0
total = 0
Do While (k <= n)
total = (total + (k*k*k))
k += 1
Loop

40378:  Given int variables k and total that have already been declared, use a while loop to compute the sum of the squares of the first 50 counting numbers, and store this value in total.  Thus your code should put 1*1 + 2*2 + 3*3 + ... + 49*49 + 50*50 into total.  Use no variables other than k and total.

k = 1
total = 0
Do While (k <= 50)
total = (total + (k*k))
k += 1
Loop