Lab 1. Write a C++ program to display on the screen a diamond as below, shaped by the placed in five lines with proper spacing: characters 2. Write a C++ program to read user input of a number in Fahrenheit degree, convert it to Celsius degree, and display the result. 3. Write a C++ program to ask user to input a positive integer N, and display the result of adding th e numbers 1, 2,3,., N-1, N together, e.g. if the user inputs 5, then the program will display the result 15, since 1+2+3+4+5=15. And if the user inputs 99, then the result would be 4950. 4. Prepare lab report in a Word document for above problems, and submit it to ePortfolio