Kadane: Max possible sum of any number consecutive element in an array;
circular kadane: does the same for a circular array i.e last and 1st elements of a normal array are consecutive in circular case.
kadane3_01 : Max possible sum of any number consecutive element in an array by deleting atmost one element.
LIC : find the max len of subseuence that is increasing from the given array.. longest dividing subseq is also same process.