After using while loop also 3 test cases are failed.Please help me out

#1

https://ide.codingblocks.com/s/51748

#2

Hey Kunj, mention the problem’s exact name also.

#3

name of the problem is basic calculator

#4

Hey Kunj, your output should exactly match the given output format, so you are supposed to print each output number in a new line and for that put endl in every cout statement.