Directly copy the source code and paste into the Wordfile. Screenshot of running result must be presented.
1. (20 points) Write the “Hello,world!†program.
2. (30 points) Write a program to calculate the sum from -5to10. Use the for loop to do thecalculation.
3. (20 points) Write a complete C++ program that asks the userto enter the necessary information about the cylinder, calculatethe volume in a function (named ascalculate_vol, usingreference to pass the volume value out),then display the cylinder volume in mainfunction. The volume of cylinder is:
Vol_Cylinder = πr2h
Where π is 3.14159265, r is the radius, and h is the height.
4. (30 points) Declare a vectorcontainer. Using keyboard to input several integer numbers, say atleast six integer numbers; find thesmallest number and display theresult.
