So, you’re looking to get better at coding with Python, and maybe you’ve heard about LeetCode. It’s a pretty popular place to practice coding problems, especially if you’re aiming for tech jobs.

We can use the previous approach, where we calculated all sum subarray using Carry Forward technique. Instead of keeping track of maximum, we can simply add the sums in a variable. Instead of ...

[ 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 ...