#dfs

The Stack Overflow That Shouldn't Have Happened A cycle detection function crashed on a...

When Your DFS Crashes in Production Recursion seems elegant until your graph has 50,000...

Used in graph traversal where you visit all the nodes at the same level then go on visiting nodes in...

Interviewers want you to justify BFS vs DFS based on the goal, not habit. Here's a repeatable decision flow.

1. Problem Setup (Tree Structure) A generic tree (not binary): class Node { public...

Stop coin-flipping between BFS and DFS. This decision framework tells you exactly which to pick based on what the question is actually asking.

Every graph or tree problem feels like a coin flip between BFS and DFS. This guide gives you a practical, pattern-based way to choose the right tra...

Graphs feel overwhelming if you jump in randomly. This roadmap walks LeetCode beginners through a staged, pattern-first way to master graph problem...

Problem BFS: TLE class Solution { public int maxWeight(int n, int[][] edges, int k, int t) { ...

O(n) : where n is no. of nodes Problem /* Definition for a Node. class Node { public int val; ...

TC:O(n*mlog(n*m)) SC :O(n*m) Problem //BFS : dijkstra's class Solution { public int...

Problem TC: O(n*m) where n is the no. of nodes and m is the max no. of nodes/methods present in a...