README.md

Author: OmPreetham

README.md

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+# LeetCode
+
+A collection of my solutions to LeetCode problems, written for learning, practice, and fun.  
+Each solution is written with readability and efficiency in mind.
+
+---
+
+## Structure
+
+Each file is named after the problem title or number, e.g. `0001-two-sum.js`.
+
+---
+
+## Topics
+
+- Arrays & Strings
+- Hash Maps
+- Two Pointers
+- Sliding Window
+- Recursion & Backtracking
+- Trees & Graphs
+- Dynamic Programming
+- Greedy Algorithms
+
+---
+
+## Example
+
+```js
+// 1. Two Sum
+var twoSum = function(nums, target) {
+    const map = new Map();
+    for (let i = 0; i < nums.length; i++) {
+        const diff = target - nums[i];
+        if (map.has(diff)) {
+            return [map.get(diff), i];
+        }
+        map.set(nums[i], i);
+    }
+};
+```