MY CODE IS CORRECT BUT NOT PASSING TESTCASES ,SIR/MAM PLZ RECTIFY IT

#1

MY CODE URL IS:-https://ide.codingblocks.com/s/571256
plz see it and rectify it plz ,plz tell the mistake.

#2

@chhabrarishi2001_264ecb7697e8af2a
Look at the output format for what you have to print when given operation is invalid.

#3

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