احتاج عمل مصفوفه بسيطة C++

احتاج عمل مصفوفه بسيطة C++

حسب الطلبات التالية :

[Q.1: Write a C++ program which does the following things:[Marks=5

1.Fill the given 4 x 3 matrix with values: 10,20,30,40,50,60,70,80,90,100,200,300, in the first, second, and third rows respectively.

2.Encrypt these values.

3.Decrypt these values.

4.Exit.

Q.2: Write a C++ program which accepts username and password from user and then print on the screen whether the user is authenticated or not. Also, upon entering the wrong credentials (username and password) three times, the program must exit. The program must print the appropriate messages if the user enters wrong username or password.[Marks =5] ok