Can u help me with this question of leetcode?

#1

quest link : https://leetcode.com/contest/weekly-contest-192/problems/paint-house-iii/

my solution : https://ide.codingblocks.com/s/251899

I dont know where i am going wrong??? TLE coming while submittuing the code

#2

@ssanjuchandra
in the help function pass houses and cost vector by reference(&). Otherwise for every function call it will take O(N) extra time for copying the value(pass by value).
I hope you will be able to solve it now.
Please mark the doubt as resolved it got it now.

#3

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