1-Write a program that asks the user for a positive integer value. The program should use a loop to get the sum of all integers from 1 up to the number entered. For example, if the user enters 50, the loop will find the sum of 1, 2, 3, 4 50.

Notes: Implement your solution using a while loop. Input Validation: Do not accept a negative starting number.

2-2. Square Display Write a program that asks the user for a positive integer no greater than 15. The program should then display a square on the screen using the character X. The number entered by the user will be the length of each side of the square. square.cpp

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