_Problem | _C | _C++ | _C# | _Dart | _GO | _Java | _JS | _Kotlin | _Python | _Ruby | _Rust | _Scala | _Swift | _TS

---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ----

_{[0020 - Valid Parentheses](https://leetcode.com/problems/valid-parentheses/)} | _{<div align='center'>[✔️](c%2F0020-valid-parentheses.c)</div>} | _{<div align='center'>[✔️](cpp%2F0020-valid-parentheses.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0020-valid-parentheses.cs)</div>} | _{<div align='center'>[✔️](dart%2F0020-valid-parentheses.dart)</div>} | _{<div align='center'>[✔️](go%2F0020-valid-parentheses.go)</div>} | _{<div align='center'>[✔️](java%2F0020-valid-parentheses.java)</div>} | _{<div align='center'>[✔️](javascript%2F0020-valid-parentheses.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0020-valid-parentheses.kt)</div>} | _{<div align='center'>[✔️](python%2F0020-valid-parentheses.py)</div>} | _{<div align='center'>[✔️](ruby%2F0020-valid-parentheses.rb)</div>} | _{<div align='center'>[✔️](rust%2F0020-valid-parentheses.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0020-valid-parentheses.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0020-valid-parentheses.ts)</div>}

_{[0225 - Implement Stack Using Queues](https://leetcode.com/problems/implement-stack-using-queues/)} | _{<div align='center'>[✔️](c%2F0225-implement-stack-using-queues.c)</div>} | _{<div align='center'>[✔️](cpp%2F0225-implement-stack-using-queues.cpp)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0225-implement-stack-using-queues.go)</div>} | _{<div align='center'>[✔️](java%2F0225-implement-stack-using-queues.java)</div>} | _{<div align='center'>[✔️](javascript%2F0225-implement-stack-using-queues.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0225-implement-stack-using-queues.kt)</div>} | _{<div align='center'>[✔️](python%2F0225-implement-stack-using-queues.py)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](rust%2F0225-implement-stack-using-queues.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](typescript%2F0225-implement-stack-using-queues.ts)</div>}

_{[0155 - Min Stack](https://leetcode.com/problems/min-stack/)} | _{<div align='center'>[✔️](c%2F0155-min-stack.c)</div>} | _{<div align='center'>[✔️](cpp%2F0155-min-stack.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0155-min-stack.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0155-min-stack.go)</div>} | _{<div align='center'>[✔️](java%2F0155-min-stack.java)</div>} | _{<div align='center'>[✔️](javascript%2F0155-min-stack.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0155-min-stack.kt)</div>} | _{<div align='center'>[✔️](python%2F0155-min-stack.py)</div>} | _{<div align='center'>[✔️](ruby%2F0155-min-stack.rb)</div>} | _{<div align='center'>[✔️](rust%2F0155-min-stack.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0155-min-stack.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0155-min-stack.ts)</div>}

_{[0150 - Evaluate Reverse Polish Notation](https://leetcode.com/problems/evaluate-reverse-polish-notation/)} | _{<div align='center'>[✔️](c%2F0150-evaluate-reverse-polish-notation.c)</div>} | _{<div align='center'>[✔️](cpp%2F0150-evaluate-reverse-polish-notation.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0150-evaluate-reverse-polish-notation.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0150-evaluate-reverse-polish-notation.go)</div>} | _{<div align='center'>[✔️](java%2F0150-evaluate-reverse-polish-notation.java)</div>} | _{<div align='center'>[✔️](javascript%2F0150-evaluate-reverse-polish-notation.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0150-evaluate-reverse-polish-notation.kt)</div>} | _{<div align='center'>[✔️](python%2F0150-evaluate-reverse-polish-notation.py)</div>} | _{<div align='center'>[✔️](ruby%2F0150-evaluate-reverse-polish-notation.rb)</div>} | _{<div align='center'>[✔️](rust%2F0150-evaluate-reverse-polish-notation.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0150-evaluate-reverse-polish-notation.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0150-evaluate-reverse-polish-notation.ts)</div>}