Interview Experience Analysis for Observe.AI

Hi guys recently gave observe.ai oa for sde-2 position partially solved 3 problems in 75 minutes if you have optimized solution for each one of the below would love to know your approach 1.Given an array err of n integers. for a triplet of indices i[1],i[2],i[3] (1GrossValue(i[1],i[2],i[3])=sum[1,i[...