Recursion subsequences cpp

#1


I have tried it but the test cases are failing

#2

@Kush_1312,
You are printing subsequences in reverse order i.e:

Your output:
abcd abc abd ab acd ac ad a bcd bc bd b cd c d *
16

Correct output:
*d c cd b bd bc bcd a ad ac acd ab abd abc abcd
16

*means a space char

Hint: Try playing around with the order of recursion calls.

#3

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#4

and what would happen if i do this(i have written some doubts as comments in the code) https://ide.codingblocks.com/s/199819

#5

@Kush_1312,
Let ‘x’ was what was told in videos, then ‘x’ is your answer.