_{[0138 - Copy List With Random Pointer](https://leetcode.com/problems/copy-list-with-random-pointer/)} | _{<div align='center'>[✔️](c%2F0138-copy-list-with-random-pointer.c)</div>} | _{<div align='center'>[✔️](cpp%2F0138-copy-list-with-random-pointer.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0138-copy-list-with-random-pointer.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0138-copy-list-with-random-pointer.go)</div>} | _{<div align='center'>[✔️](java%2F0138-copy-list-with-random-pointer.java)</div>} | _{<div align='center'>[✔️](javascript%2F0138-copy-list-with-random-pointer.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0138-copy-list-with-random-pointer.kt)</div>} | _{<div align='center'>[✔️](python%2F0138-copy-list-with-random-pointer.py)</div>} | _{<div align='center'>[✔️](ruby%2F0138-copy-list-with-random-pointer.rb)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0138-copy-list-with-random-pointer.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0138-copy-list-with-random-pointer.ts)</div>}

_{[0707 - Design Linked List](https://leetcode.com/problems/design-linked-list/)} | _{<divalign='center'>[✔️](c%2F0707-design-linked-list.c)</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>[✔️](go%2F0707-design-linked-list.go)</div>} | _{<divalign='center'>[✔️](java%2F0707-design-linked-list.java)</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>[✔️](kotlin%2F0707-design-linked-list.kt)</div>} | _{<divalign='center'>[✔️](python%2F0707-design-linked-list.py)</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>}

_{[1472 - Design Browser History](https://leetcode.com/problems/design-browser-history/)} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>[✔️](go%2F1472-design-browser-history.go)</div>} | _{<divalign='center'>[✔️](java%2F1472-design-browser-history.java)</div>} | _{<divalign='center'>[✔️](javascript%2F1472-design-browser-history.js)</div>} | _{<divalign='center'>[✔️](kotlin%2F1472-design-browser-history.kt)</div>} | _{<divalign='center'>[✔️](python%2F1472-design-browser-history.py)</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>[✔️](rust%2F1472-design-browser-history.rs)</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>[✔️](typescript%2F1472-design-browser-history.ts)</div>}

_{[0002 - Add Two Numbers](https://leetcode.com/problems/add-two-numbers/)} | _{<div align='center'>[✔️](c%2F0002-add-two-numbers.c)</div>} | _{<div align='center'>[✔️](cpp%2F0002-add-two-numbers.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0002-add-two-numbers.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0002-add-two-numbers.go)</div>} | _{<div align='center'>[✔️](java%2F0002-add-two-numbers.java)</div>} | _{<div align='center'>[✔️](javascript%2F0002-add-two-numbers.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0002-add-two-numbers.kt)</div>} | _{<div align='center'>[✔️](python%2F0002-add-two-numbers.py)</div>} | _{<div align='center'>[✔️](ruby%2F0002-add-two-numbers.rb)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](scala%2F0002-add-two-numbers.scala)</div>} | _{<div align='center'>[✔️](swift%2F0002-add-two-numbers.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0002-add-two-numbers.ts)</div>}

_{[0002 - Add Two Numbers](https://leetcode.com/problems/add-two-numbers/)} | _{<div align='center'>[✔️](c%2F0002-add-two-numbers.c)</div>} | _{<div align='center'>[✔️](cpp%2F0002-add-two-numbers.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0002-add-two-numbers.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0002-add-two-numbers.go)</div>} | _{<div align='center'>[✔️](java%2F0002-add-two-numbers.java)</div>} | _{<div align='center'>[✔️](javascript%2F0002-add-two-numbers.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0002-add-two-numbers.kt)</div>} | _{<div align='center'>[✔️](python%2F0002-add-two-numbers.py)</div>} | _{<div align='center'>[✔️](ruby%2F0002-add-two-numbers.rb)</div>} | _{<div align='center'>[✔️](rust%2F0002-add-two-numbers.rs)</div>} | _{<div align='center'>[✔️](scala%2F0002-add-two-numbers.scala)</div>} | _{<div align='center'>[✔️](swift%2F0002-add-two-numbers.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0002-add-two-numbers.ts)</div>}

_{[0141 - Linked List Cycle](https://leetcode.com/problems/linked-list-cycle/)} | _{<div align='center'>[✔️](c%2F0141-linked-list-cycle.c)</div>} | _{<div align='center'>[✔️](cpp%2F0141-linked-list-cycle.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0141-linked-list-cycle.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0141-linked-list-cycle.go)</div>} | _{<div align='center'>[✔️](java%2F0141-linked-list-cycle.java)</div>} | _{<div align='center'>[✔️](javascript%2F0141-linked-list-cycle.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0141-linked-list-cycle.kt)</div>} | _{<div align='center'>[✔️](python%2F0141-linked-list-cycle.py)</div>} | _{<div align='center'>[✔️](ruby%2F0141-linked-list-cycle.rb)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](scala%2F0141-linked-list-cycle.scala)</div>} | _{<div align='center'>[✔️](swift%2F0141-linked-list-cycle.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0141-linked-list-cycle.ts)</div>}

_{[0287 - Find The Duplicate Number](https://leetcode.com/problems/find-the-duplicate-number/)} | _{<div align='center'>[✔️](c%2F0287-find-the-duplicate-number.c)</div>} | _{<div align='center'>[✔️](cpp%2F0287-find-the-duplicate-number.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0287-find-the-duplicate-number.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0287-find-the-duplicate-number.go)</div>} | _{<div align='center'>[✔️](java%2F0287-find-the-duplicate-number.java)</div>} | _{<div align='center'>[✔️](javascript%2F0287-find-the-duplicate-number.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0287-find-the-duplicate-number.kt)</div>} | _{<div align='center'>[✔️](python%2F0287-find-the-duplicate-number.py)</div>} | _{<div align='center'>[✔️](ruby%2F0287-find-the-duplicate-number.rb)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0287-find-the-duplicate-number.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0287-find-the-duplicate-number.ts)</div>}

_{[0024 - Swap Nodes In Pairs](https://leetcode.com/problems/swap-nodes-in-pairs/)} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>[✔️](go%2F0024-swap-nodes-in-pairs.go)</div>} | _{<divalign='center'>[✔️](java%2F0024-swap-nodes-in-pairs.java)</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>[✔️](kotlin%2F0024-swap-nodes-in-pairs.kt)</div>} | _{<divalign='center'>[✔️](python%2F0024-swap-nodes-in-pairs.py)</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>} | _{<divalign='center'>❌</div>}