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_{[0121 - Best Time to Buy And Sell Stock](https://leetcode.com/problems/best-time-to-buy-and-sell-stock/)} | _{<div align='center'>[✔️](c%2F0121-best-time-to-buy-and-sell-stock.c)</div>} | _{<div align='center'>[✔️](cpp%2F0121-best-time-to-buy-and-sell-stock.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0121-best-time-to-buy-and-sell-stock.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0121-best-time-to-buy-and-sell-stock.go)</div>} | _{<div align='center'>[✔️](java%2F0121-best-time-to-buy-and-sell-stock.java)</div>} | _{<div align='center'>[✔️](javascript%2F0121-best-time-to-buy-and-sell-stock.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0121-best-time-to-buy-and-sell-stock.kt)</div>} | _{<div align='center'>[✔️](python%2F0121-best-time-to-buy-and-sell-stock.py)</div>} | _{<div align='center'>[✔️](ruby%2F0121-best-time-to-buy-and-sell-stock.rb)</div>} | _{<div align='center'>[✔️](rust%2F0121-best-time-to-buy-and-sell-stock.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0121-best-time-to-buy-and-sell-stock.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0121-best-time-to-buy-and-sell-stock.ts)</div>}

_{[0219 - Contains Duplicate II](https://leetcode.com/problems/contains-duplicate-ii/)} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](cpp%2F0219-Contains-Duplicate-II.cpp)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](java%2F0219-contains-duplicate-ii.java)</div>} | _{<div align='center'>[✔️](javascript%2F0219-contains-duplicate-ii.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0219-contains-duplicate-ii.kt)</div>} | _{<div align='center'>[✔️](python%2F0219-contains-duplicate-ii.py)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>}

_{[0003 - Longest Substring Without Repeating Characters](https://leetcode.com/problems/longest-substring-without-repeating-characters/)} | _{<div align='center'>[✔️](c%2F0003-longest-substring-without-repeating-characters.c)</div>} | _{<div align='center'>[✔️](cpp%2F0003-longest-substring-without-repeating-characters.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0003-longest-substring-without-repeating-characters.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0003-longest-substring-without-repeating-characters.go)</div>} | _{<div align='center'>[✔️](java%2F0003-longest-substring-without-repeating-characters.java)</div>} | _{<div align='center'>[✔️](javascript%2F0003-longest-substring-without-repeating-characters.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0003-longest-substring-without-repeating-characters.kt)</div>} | _{<div align='center'>[✔️](python%2F0003-longest-substring-without-repeating-characters.py)</div>} | _{<div align='center'>[✔️](ruby%2F0003-longest-substring-without-repeating-characters.rb)</div>} | _{<div align='center'>[✔️](rust%2F0003-longest-substring-without-repeating-characters.rs)</div>} | _{<div align='center'>[✔️](scala%2F0003-longest-substring-without-repeating-characters.scala)</div>} | _{<div align='center'>[✔️](swift%2F0003-longest-substring-without-repeating-characters.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0003-longest-substring-without-repeating-characters.ts)</div>}

_{[0424 - Longest Repeating Character Replacement](https://leetcode.com/problems/longest-repeating-character-replacement/)} | _{<div align='center'>[✔️](c%2F0424-longest-repeating-character-replacement.c)</div>} | _{<div align='center'>[✔️](cpp%2F0424-longest-repeating-character-replacement.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0424-longest-repeating-character-replacement.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0424-longest-repeating-character-replacement.go)</div>} | _{<div align='center'>[✔️](java%2F0424-longest-repeating-character-replacement.java)</div>} | _{<div align='center'>[✔️](javascript%2F0424-longest-repeating-character-replacement.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0424-longest-repeating-character-replacement.kt)</div>} | _{<div align='center'>[✔️](python%2F0424-longest-repeating-character-replacement.py)</div>} | _{<div align='center'>[✔️](ruby%2F0424-longest-repeating-character-replacement.rb)</div>} | _{<div align='center'>[✔️](rust%2F0424-longest-repeating-character-replacement.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](swift%2F0424-longest-repeating-character-replacement.swift)</div>} | _{<div align='center'>[✔️](typescript%2F0424-longest-repeating-character-replacement.ts)</div>}

_{[0567 - Permutation In String](https://leetcode.com/problems/permutation-in-string/)} | _{<div align='center'>[✔️](c%2F0567-permutation-in-string.c)</div>} | _{<div align='center'>[✔️](cpp%2F0567-permutation-in-string.cpp)</div>} | _{<div align='center'>[✔️](csharp%2F0567-permutation-in-string.cs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](go%2F0567-permutation-in-string.go)</div>} | _{<div align='center'>[✔️](java%2F0567-permutation-in-string.java)</div>} | _{<div align='center'>[✔️](javascript%2F0567-permutation-in-string.js)</div>} | _{<div align='center'>[✔️](kotlin%2F0567-permutation-in-string.kt)</div>} | _{<div align='center'>[✔️](python%2F0567-permutation-in-string.py)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](rust%2F0567-permutation-in-string.rs)</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>❌</div>} | _{<div align='center'>[✔️](typescript%2F0567-permutation-in-string.ts)</div>}