Write a program using Nested loops that ask the user to input number of rows from 1 to 13, if the number not in this range, display an error message and not do anything, after entering a correct number of rows the program should print the letter A with Z in row 1, then AZ and BY in row two and so on until finished all the alphabet letters when the number of rows is 13. Sample Input/ Output (1) Enter the number Sample Input/ Output (2) Enter the number Sample Input/ Output (3) Enter the number of of rows:1 of rows:3 rows:13 AZ AZ AZ AZBY AZBY AZBYCX AZBYCX AZBYCXDW AZBYCXDWEV AZBYCXDWEVFU AZBYCXDWEVFUGT AZBYCXDWEVFUGTHS AZBYCXDWEVFUGTHSIR AZBYCXDWEVFUGTHSIRJQ AZBYCXDWEVFUGTHSIRJQKP AZBYCXDWEVFUGTHSIRJQKPLO AZBYCXDWEVFUGTHSIRJQKPLOMN

using iostream domain and for loop

Write a flowgorithm program, using nested loops, that performs the followingtasks: The outside loop asks if the user is going to enter numbers to sum The inside loop should:o ask for input of a positive or negative numbero input of zero (0) will terminate the input loop and display the sum ofthe input numbers The outside loop, will ask if a new set of numbers will be will input orshould the program stop. If a different set of numbers is input a new sum should be calculated anddisplayed. The program continues to run until stopped via the outside loop.Remember the following: use clear prompts for your input label each output number or name use comment box for your name, lab name and date at the top of theflowgorithm use other comments where appropriate use appropriate constants

A loop should output 1 to n. If n is 5, the output is 12345. What should XXXand YYY be? Choices are in the form XXX / YYY.