Can you please tell me where i am going wrong

#1

the output for 1,2,3 should be 1 0 2 but i m getting 0 1 2 and also please tell how to sort map with respect to its value

#2

You can use map for this

cause of wrong logic, do you want me to tell you the right approach?

#3

yes please!!!

#4

Have added comments for better understanding, it will give you 100% score too

#5

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