please use GDB online c++ to solve

Modify the above program to include while loop as shown below. \#include using namespace std; int main() \{ int count =0, num; while (count{squt>num;count=count+1; } return 0; Exercise 1. Modify the above program to add and display sum of five numbers. 2. Replace "while loop" with "for loop". 3. Use nested for loop to output like below (nine number per line). 111111111 222222222 333333333 444444444 555555555 666666666 777777777 888888888 999999999 4. Modify the program to output like below. 1 12 123 1234 12345 123456 1234567 12345678 123456789