Kindly solve the questions with c++

1. 25 points] Write a program that asks the user to type the valuc of N and computes the factorial of N (N!) using Do-While loop 2. [50 points] Write a C+program that will display the calculator menu. The program will prompt the user to choose the operation choice (from 1 to 5). Then it asks the user to input two integer vales for the calculation. See the sample below MENU 1. Add 2. Subtract 3. Multiply 4. Divide 5. Modulus Enter your choice: 1 Enter your two numbers: 12 15 Result: 27 Continue? y The program also asks the user to decide whether they want to continue the operation. If they input 'y', the program will prompt the user to choose the operation gain. Otherwise, the program will terminate