A Laboratory Course in C++, 5th Edition

Postlab Activities

Exercise 1: Your history instructor gives three tests worth 50 points each. You can

drop one of the first two grades. The final grade is the sum of the best of the first two

grades and the third grade. Given three test grades, write a program that calculates the

final letter grade using the following cutoff points.

Score Letter Grade

>= 90 A

< 90, >= 80 B

< 80, >= 70 C

< 70, >= 60 D

< 60 F

Exercise 2: Write a program to determine if the digits in a three-digit number are all

odd, all even, or mixed odd and even. Your program should prompt the user to input a

three-digit number and echo-print the number. If the digits in the number are ...