[Reference ](https://github.com/muhammadanas0716/LeetCodeTorture/blob/a8a45331dbf3717c20c645051586539da66232e4/C%2B%2B/Easy/1672.%20Richest%20Customer%20Wealth.cpp#L28) The contraindications are not implement. Try to pass empty vector or vector size of 100 or more.
