I tried to follow the same approach, of greedily choosing the minimum of available options.
Here is my solution,
I belive that the complexity in my code also is O(N**2) as in the original solution with DP.
Please let me know if I am wrong anywhere. Thanks.
You don’t need to run that loop which is causing TLE, instead you can write a much simpler recursion.
Please see I used that recursion in your code https://ide.codingblocks.com/s/209649
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