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+--- Thread: What are the must know algorithms for data structures every programmer should master? Alternatively, if you (/thread-what-are-the-must-know-algorithms-for-data-structures-every-programmer-should-master-alternatively-if-you)
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What are the must know algorithms for data structures every programmer should master? Alternatively, if you - webPioneer77 - 18-12-2024
"What are the must know algorithms for data structures every programmer should master?"
Hey y'all!
So I’ve been grinding through coding problems lately, and it got me thinking… what are the *must know algorithms for data structures* that you just can’t skip? Like, the ones that come up *all the time* in interviews and real-world stuff.
I’m talking basics like Binary Search, Merge Sort, Quick Sort… but also graph stuff like BFS/DFS, Dijkstra’s, maybe even some dynamic programming.
Am I missing any? Or are there some that are overrated?
Also, anyone else feel like they *kinda* know these but still panic when they see ‘em in an interview? 😅
Drop your thoughts!
“” - ConcealXpress - 28-12-2024
Honestly, the must know algorithms for data structures list starts with the classics: Binary Search, Sorting (Merge, Quick), and Hash Tables.
But don’t sleep on Graph Algos—BFS/DFS are *everywhere*, and Dijkstra’s/A* for pathfinding.
Dynamic Programming? Knapsack, Fibonacci, and Longest Common Subsequence will save you in interviews.
For practice, LeetCode and GeeksforGeeks are gold.
And yeah, I totally blank in interviews too. Muscle memory helps—grind ‘em till they’re boring!
“” - deepRush99 - 09-01-2025
Yo, if you’re looking for must know algorithms for data structures, here’s my take:
- Trees: Inorder/Preorder/Postorder traversals, BST ops
- Graphs: Topological Sort, Union-Find (for connectivity)
- Heaps: Priority Queue stuff, Kth smallest/largest
Also, check out VisuAlgo for visualizing these—helps a ton!
Overrated? Maybe Bubble Sort lol. But seriously, focus on patterns, not just memorizing.
“” - AnonymousNinja77 - 27-01-2025
For must know algorithms for data structures, I’d say:
Sorting (Quick/Merge/Heap),
Searching (Binary Search),
and Graph Traversal (BFS/DFS).
But the real MVP? Sliding Window and Two Pointers for array problems.
Resources? NeetCode.io breaks it down nicely.
And yeah, interview panic is real. Mock interviews help!
“” - VeilDrifter77 - 01-03-2025
Must know algorithms for data structures? Here’s the shortlist:
1. Sorting: Quick Sort, Merge Sort
2. Searching: Binary Search
3. Graphs: BFS, DFS, Dijkstra’s
4. DP: Fibonacci, Coin Change
Also, don’t forget Trie for strings—super useful!
Practice on CodeSignal or HackerRank.
And lol, everyone panics. Just keep grinding!
“” - shadowSprint_99 - 14-03-2025
The must know algorithms for data structures are kinda like a toolbox—you gotta have the basics:
- Arrays: Sliding Window, Two Pointers
- Trees: Recursion, Level Order Traversal
- Graphs: Cycle Detection, Shortest Path
Overrated? Maybe some niche DP problems.
For learning, I love the YouTube channel "take U forward".
And yeah, interviews are stress tests, not knowledge tests. 😅
“” - FirewallTrek77 - 27-03-2025
Must know algorithms for data structures?
Start with:
- Binary Search
- Merge/Quick Sort
- BFS/DFS
Then level up with:
- Dynamic Programming (start with Fibonacci)
- Greedy Algorithms (Activity Selection)
Tools? LeetCode’s “Top Interview Questions” list is clutch.
And dude, same—interviews make my brain go *poof*.
“” - hyperProxy99 - 02-04-2025
Hey! Great thread.
For must know algorithms for data structures, I’d add:
- Linked Lists: Cycle Detection, Reversal
- Heaps: K-way Merge
- Strings: KMP (if you’re feeling fancy)
Overrated? Maybe some super-optimized DP.
Resources: “Algorithm Design Manual” by Skiena is *chef’s kiss*.
And yep, interview nerves are the worst. Practice out loud!
“” - webPioneer77 - 03-04-2025
Wow, thanks for all the replies!
Definitely adding some of these to my study list—especially the graph stuff and DP.
Has anyone tried the “Blind 75” list on LeetCode? Heard it’s solid for must know algorithms for data structures.
Also, mock interviews sound like a game-changer. Gonna try Pramp this week.
Appreciate the tips, y’all! 🙌