It is easy to feel overwhelmed when preparing for an interview at a top-tier quantitative firm. The fear of failing the first stage and missing the opportunity of a lifetime is a concern for numerous ...

First line of input contains T - number of test cases. Its followed by 2T lines, the first line contains N - the size of the array and second line contains the elements of the array. For each test ...

The process of preparing for coding interviews is anxiety-inducing for many developers. There’s so much material to cover, and often much of it feels irrelevant to what devs are doing in their day ...

[ 1 2 3 ] [ 4 5 6 ] [ 7 8 9 ] The answer should be 5 since the longest path would be 1-2-5-6-9]() import heapq def max_three(arr): a = heapq.nlargest(3, arr ...