I coded up Leetcode Problems like Evaluate Division, All Paths from Source to Target etc using networkx python package for practise, as Leetcode does not allow importing of packages.
Medium Leetcode problem, solution uses DFS with memoization.
Medium Leetcode problem, straightforward topological sort.
Medium Leetcode problem of detecting the presence of a valid path from source labelled 0 to destination labelled n-1. Solution uses DFS.
Medium Leetcode problem. Solution uses all pairs shortest path algorithm of Floyd, Warshall. Version with networkx usage and without, included here.
Plotted the arithmetic circuit for xy+yz+xz using networkx.