1-Write a program that prompts the user to input two positive integers (firstNum and secon
Num) where the first number should be less than the second (validate your input). The program
should output all the numbers and their squares between firstNum and secondNum (inclusive).
2-Write a C++ program which reads a collection of exam scores. Your program should count
and display the number of outstanding scores (between 90-100), the number of satisfactory
scores (between 60-89), and the number of unsatisfactory scores (between 0-59). The input
process should stop when the user enters an exam score with the value -1.
how to solve those :"(!