I created a LeetCode list for each of the patterns. I found it pretty useful, feel free to make a copy of the list and use it.\n\n* [2 Heaps](https://leetcode.com/list/xlemvyvd)\n* [Arrays]( https://leetcode.com/list/xleo1moc)\n* [Backtracking](https://leetcode.com/list/xlere2g3)\n* [Dynamic Programming](https://leetcode.com/list/xlern30i)\n* [Fast & Slow pointers](https://leetcode.com/list/xlerlepr)\n* [Graph Traversal](https://leetcode.com/list/xler60c5) \n* [In-place traversal of LL]( https://leetcode.com/list/xler4hke)\n* [K-way merge](https://leetcode.com/list/xlepm8xi)\n* [Merge Intervals](https://leetcode.com/list/xlepvmyj)\n* [Modified Binary Search](https://leetcode.com/list/xleplgq3)\n* [Sliding window](https://leetcode.com/list/xlep8di5)\n* [Top K elements](https://leetcode.com/list/xlepz4mv) \n* [Topological Sorting](https://leetcode.com/list/xlepbnhh) \n* [Tree BFS](https://leetcode.com/list/xlepfebm)\n* [Tree DFS](https://leetcode.com/list/xlemouqi)\n* [Two Pointers](https://leetcode.com/list/xlem03mm) \n\nGood Luck & Happy Coding!!

I created a LeetCode list for each of the patterns. I found it pretty useful, feel free to make a copy of the list and use it.\n\n 2 Heaps\n Arrays\n Backtracki