What is mistake in code

#1

code:https://ide.codingblocks.com/s/365692
Problem:https://leetcode.com/problems/kth-smallest-instructions/

#2

Can you elaborate the approach you have used?

#3

Also please tell what issue you are facing in this code.

#4
#5

So, we know that every set of instructions for Bob will be some string that is the combination of “H” and “V” with length r + c, exactly r characters will be “V”, and exactly c characters will be “H”.

#6

So just finding kth permutation of string

#7

@rbpagire refere this editorial

https://stackoverflow.com/questions/9330915/number-of-combinations-n-choose-r-in-c/53983114
#8

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