Exercise 1

Write a C++ program to display the Hello message on the  screen.   (Solution)                                        

Exercise 2 

Write a C++ program that allows the entrance of two numbers and the display of their product.  (Solution)                                                                 

Exercise 3

Write a C++ program for swapping the content of two integers A and B entered by the user; and display these integers after swapping.   (Solution)

Exercise 4                                                                                    

Write a C++ program that allows to display whether an integer entered on the keyboard is Odd or Even.  (Solution) 

Exercise 5                                                                                      

Write a C++ program  that allows the display of the largest of  three integers entered on the keyboard.  (Solution)

Exercise 6                                                                                      

Write a C++ program program that allows the addition of comment on the mark entered on the keyboard (if the mark is greater than 10 then it displays “validated”  if not   “not validated”  (NB: the mark is between 0 and 20!).  (Solution)

Exercise 7                                                                                      

Write a C++ program  that asks the user for two numbers  M  and N and then informs him if the product of these two numbers is positive or negative. The case where the product can be null is included in the program.  (Solution)

Exercise 8                                                                                     

Write a C++ program that calculates the absolute value of an integer entered by the user. (Solution)

Exercise 9

Write a C++  that calculates the sum of three integers entered by the user.   (Solution)

Exercise 10

A store offers to its customers 15% off on the purchase amounts over 200 DH. Write a C++ program that allows to enter the total price excluding VAT and to calculate the amount including VAT taking into account the discount and that VAT = 20%.   (Solution)

Exercise 11

Write a C++ program that asks for the age of a child and allows you to inform about its category knowing that the categories are as follows: - "Kid from 6 to 7 years old" - "pupil from 8 to 9 years old" - "kid of 10 to 11 years old "-" cadet after 12 years ". (Solution)

Exercise 12

Write a C++ program to display months in letters according to the number entered on the keyboard. (If the user types 1 the program displays January, if 2 displays  February, if 3 displays March...)  (Solution)

Exercise 13

Write a C++ program  that displays "Good evening" 10 times. Using the While loop.   (Solution)

Exercise 14

Write a C++ program that calculates the  sum    S = 1 + 2 + 3 + ... + 10. Using the While loop.  (Solution)

Exercise 15

Write a C++ program that calculates the sum    S = 1 + 2 + 3 + ... + N, where N is entered  by the user. Using the While loop.  (Solution)

Exercise 16

Write a C++ program  that displays "hello" 10 times. Using  the For-loop.  (Solution)

Exercise 17

Write a C++ program that calculates the sum   S = 1 + 2 + 3 + ... + 10. Using the For-loop.  (Solution)

Exercise 18

Write a C++ program that calculates S = 1 + 2 + 3 + 4 +…. + N. where N is entered on the keyboard by the user. Using the For-loop.  (Solution)

Exercise 19

Write a C++ program that displays the multiplication table of 5. Using the For-loop.   (Solution)

Exercise 20

Write a C++ program that displays the multiplication table of an integer entered by the user, Using the For-loop.  (Solution)

Exercise 21

Write a C++ program that displays "Hello" 10 times. Using the do-while Loop.   (Solution)

Exercise 22

Write a C++ program that calculates the sum   S = 1 + 2 + 3 + ... + 10. Using the do-while  Loop.  (Solution)

Exercise 23

Write a C++ program that displays the multiplication table of 8. Using the do-while Loop.  (Solution)

Exercise 24

Write a C++ program  to enter 10 integers and store them in a table called Table, then display them.   (Solution)

Exercise 25

Write a C++ program  for entering 10 numbers and displaying the average of these scores.   (Solution)

Exercise 26

Write a C++ program  allowing the entrance of 10 integers and the display the maximum of these integers.  (Solution)

Exercise 27

Write a C++ program that allows to enter 10 integers in a table, and to calculate the number of occurrences of an element N in this table. Where N is entered by the user.    (Solution)

Exercise 28

Write a C++ program to enter 10 integers in a array and sorting this array in an ascending order. Then display this array after sorting.  (Solution)

Exercise 29

Write a C++ program to calculate the factorial of an integer entered by the user. For example N = 7  the factorial of  7 equal to      1* 2 * 3 * 4 * 5 * 6 * 7 = 5040.    (Solution)


Exercise 30

Write a C++ program to display Even numbers between 0 and N, where N is entered by the user. (Solution)

Exercise 31

Write a C++ program  that calculates the sum of Odd integers from 1 to an integer N entered by the user.   Example   N=8   Sum = 1 +3+5+7= 16   (Solution)

Exercise 32

Write a C++ program  that allows the calculation of the greatest common divisor (GCD) between two integers entered by the user.     For example:      M= 15    et    N=10     GCD (15 , 10) =  5      (Solution)

Exercise 33

Write a C++ program  that displays a triangle of integers, according to an integer entered by the user. Example   N=4

1

22

333

4444  

  (Solution)


Exercise 34

Write a C++ program  that calculates the number of digits of an integer N entered by the user  Exemple  N = 10843

the number of digits is : 5               (Solution)

Exercise 35

Write a C++ program  that allows you to reverse the digits of an integer N entered by the user.   for example  N = 35672  the result is   27653     (Solution)

Exercise 36

Write a C++ program that allows you to enter an integer N and display the triangle of stars. for example  N = 4

              *

            ***

          *****

         *******     

(Solution)


Exercise 37

Write a C++ program that allows the entrance of 10 integers in a table. Then count how many Odd and Even elements are there.  (Solution)

Exercise 38

Write a C++ program that displays if an integer N entered on the keyboard is Prime or not.  (Solution)

Exercise 39

Write a C++ program that requires entering a table T of 10 integers, and putting the even elements in a T1 table and the Odd elements in a T2 table. Then display T1 and T2      (Solution)

Exercise 40

Write a C++ program  which allows the user to enter a series of integers ending in 0, and which displays at the end the number of occurrences of  5      (Solution)

Exercise 41

Write a C++ program that allows to enter 10 integers and say if these integers are consecutive or not.     (Solution)

Exercise 42

Write a C++ program which allows the entrance of 10 integers and which calculates the difference between the sum of the even elements and the sum of the Odd elements.

for example : 1 6 7 4 5 3 1 8 2 5

==> (6+4+8+2) - (1+7+5+3+5+1) = -2      (Solution)

Exercise 43

Write a C++ program allowing, from a real X and a positive integer value N, to calculate X power N   (Solution)    

Exercise 44

Write a C++ program that allows to test the equality between two tables of integers (sizes 10). The program displays TRUE if the components of the two tables match position by position, otherwise it displays FALSE.     (Solution)

Exercise 45

Write a C++ program that counts the number of duplicate elements (two or more elements) in a table of integers entered by the user.      (Solution)

Exercise 46

Your establishment's photocopy Center charges 0.25 DH for the first 10 photocopies, 0.20 DH for the next 20 and 0.10 DH beyond 20 photocopies. Write a C++ program that prompts the user for the number of photocopies made and displays the corresponding invoice.  (Solution)    

Exercise 47

Write a C++ program that reads a character and says if it is a letter or not, in case of a letter it says if it is a lowercase or uppercase letter.     (Solution)