Practice 5. Selection

2

Practice 5. Selection

3

Enter three integers: 3 10 20 The smallest: 3 The largest: 20 Is there a number less than 20?: Yes Are all numbers in range (10~90)?: No

Practice 5. Selection

4

Enter three scores (0~100): 90 80 70 The grade is B

Practice 5. Selection

5

Enter three constants: 1 -6 9 There is only one real root.

Enter three constants: 1 3 1 There are two real roots.

Enter three constants: 1 1 3 There are no real roots.

Practice 5. Selection

6

• Multiple “if” statements in this program can be effectively converted to a “switch-case” statement.

• Convert it.

Execution examples

Enter month number: 6 It is June.

Enter month number: 5 It is May.

Practice 5. Selection

7

Enter two integers: 1 4 Choose operation: + Result: 5

Enter two integers: 4 10 Choose operation: / Result: 0.4