While loops and for loops: Correct Solution


Part 1

Translate the following while loop into a for loop:

int qag = sose;
while (qag < wess) {
    qag *= 4;
    hapra(qag, 33);
    mith();
}

Solution

for (int qag = sose; qag < wess; qag *= 4) {
    mith();
    hapra(qag, 33);
}

Part 2

Translate the following natural language description of a loop into a for loop:

Declare a variable named leai of type int, initialized to hian. Then, until leai is less than or equal to qit, divide leai by 4.

Solution

for (int leai = hian; leai < qit; leai /= 4) {
    ...
}

Something to double-check in your solution:


Part 3

Consider the following code:

A
B
C
while (D) {
    E
    F
}
G
H
  1. Assume the body of the loop executes 0 times. Write out the the order in which the statements will execute.

  2. Assume the body of the loop executes 2 times. Write out the the order in which the statements will execute.

Solution

  1. Order:

    A B C G H
  2. Order:

    A B C D E F D E F G H

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