Question

10 3. SEE 4. NEVER 0 101 9 78 5. PURPLE 11. SAW 11 12 6. NEVER 12. HOPE Figure 7.23 16. Give the sentence that results from doing a preorder search of the tree. 17. Give the sentence that results from doing an inorder search of the tree. 18. Give the sentence that results from doing a postorder search of the tree. In Exercises 19 and 20, evaluate the expression, which is given in Polish, or prefix, notation. 19. $x + 34 - 72 \div 12 \times 3 - 64$ 3. $-x \times 3 \times x \times 4 \times y + 15 \times 2 - 6 \times y$, where $x$ is 2 and $y$ is In Exercises 21 through 24, evaluate the expression, which is given in reverse Polish, or postfix, notation. 21. $4 \times 3 \times 2 - 5 \times 4 \times 2 \times 5 \times 3 + +$ 22. $3 \times 7 \times 4 - 9 \times 6 \times 5 \times 2 + +$ 23. $x \times 2 - 3 + 2 \times 3 \times y + w \times 3 - x +$, where $x$ is 7, $y$ is 2, and $w$ is 1. 24. $7 \times x \times y - 8 \times x \times w + x$ where $x$ is 7, $y$ is 2, and $w$ is 1. 25. Draw a binary tree whose preorder search produces the string JBACDIHEGF. 32. R Fi L Figur In Exercises linked-list re Draw the dig ally stored in is the binary 33. INDEX 1 2 3 4 5 string CATSANDDOGS. 26. Draw a binary tree whose preorder search produces the 6 7 string SEARCHING. 27. Draw a binary tree whose postorder search produces the 8 9 10 C string TREEHOUSE. 28. Draw a binary tree whose postorder search produces the 11 a 12 0 Search

          10
3. SEE
4. NEVER
0
101
9
78
5. PURPLE
11. SAW
11
12
6. NEVER 12. HOPE
Figure 7.23
16. Give the sentence that results from doing a preorder
search of the tree.
17. Give the sentence that results from doing an inorder
search of the tree.
18. Give the sentence that results from doing a postorder
search of the tree.
In Exercises 19 and 20, evaluate the expression, which is given
in Polish, or prefix, notation.
19. $x + 34 - 72 \div 12 \times 3 - 64$
3.
$-x \times 3 \times x \times 4 \times y + 15 \times 2 - 6 \times y$, where $x$ is 2 and $y$ is
In Exercises 21 through 24, evaluate the expression, which is
given in reverse Polish, or postfix, notation.
21. $4 \times 3 \times 2 - 5 \times 4 \times 2 \times 5 \times 3 + +$
22. $3 \times 7 \times 4 - 9 \times 6 \times 5 \times 2 + +$
23. $x \times 2 - 3 + 2 \times 3 \times y + w \times 3 - x +$, where $x$ is 7, $y$ is 2,
and $w$ is 1.
24. $7 \times x \times y - 8 \times x \times w + x$ where $x$ is 7, $y$ is 2, and $w$ is 1.
25. Draw a binary tree whose preorder search produces the
string JBACDIHEGF.
32.
R
Fi
L
Figur
In Exercises
linked-list re
Draw the dig
ally stored in
is the binary
33.
INDEX
1
2
3
4
5
string CATSANDDOGS.
26. Draw a binary tree whose preorder search produces the
6
7
string SEARCHING.
27. Draw a binary tree whose postorder search produces the
8
9
10
C
string TREEHOUSE.
28. Draw a binary tree whose postorder search produces the
11
a
12
0
Search

10
3. SEE
4. NEVER
0
101
9
78
5. PURPLE
11. SAW
11
12
6. NEVER 12. HOPE
Figure 7.23
16. Give the sentence that results from doing a preorder
search of the tree.
17. Give the sentence that results from doing an inorder
search of the tree.
18. Give the sentence that results from doing a postorder
search of the tree.
In Exercises 19 and 20, evaluate the expression, which is given
in Polish, or prefix, notation.
19. x + 34 - 72 ÷ 12 × 3 - 64
3.
-x × 3 × x × 4 × y + 15 × 2 - 6 × y, where x is 2 and y is
In Exercises 21 through 24, evaluate the expression, which is
given in reverse Polish, or postfix, notation.
21. 4 × 3 × 2 - 5 × 4 × 2 × 5 × 3 + +
22. 3 × 7 × 4 - 9 × 6 × 5 × 2 + +
23. x × 2 - 3 + 2 × 3 × y + w × 3 - x +, where x is 7, y is 2,
and w is 1.
24. 7 × x × y - 8 × x × w + x where x is 7, y is 2, and w is 1.
25. Draw a binary tree whose preorder search produces the
string JBACDIHEGF.
32.
R
Fi
L
Figur
In Exercises
linked-list re
Draw the dig
ally stored in
is the binary
33.
INDEX
1
2
3
4
5
string CATSANDDOGS.
26. Draw a binary tree whose preorder search produces the
6
7
string SEARCHING.
27. Draw a binary tree whose postorder search produces the
8
9
10
C
string TREEHOUSE.
28. Draw a binary tree whose postorder search produces the
11
a
12
0
Search

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