my best solution :)
Dark magic ?
If you are interested I am publishing this in problem 1774 just to share the knowledge... you can try the magic yourself :)
Thanks for sharing 1774! It is incredibly clever and ingenious!!! All my compliments.
Sum all integers from 1 to 2^n
Triangle Numbers Below N
Arrange vector in ascending order
Equal to their cube
Get me! v3
Get me! v4 (Cody hacking challenge)
Get me! v2
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