Error while compiling

#1

Hi , when i am compiling i am getting " ERROR! " like this . Can you please help , i am new to c++. what i am doing wrong

#2

Hi , i able to solve the issue , but now my two test case is failing , i have one doubt say : in: 9967 and 548 ,op: 10, 5, 1, 5, END ?

#3

@rivumitter Output should be
1, 0,5,1,5,END.
If this resolves your doubt mark it as resolved.