Stack

2025

• Problem 2696 Minimum String Length After Removing Substrings

  Posted on Jan 18, 2025 6 mins

• Problem 1963 Minimum Number of Swaps to Make the String Balanced

  Posted on Jan 18, 2025 7 mins

2024

• Problem 1653 Minimum Deletions to Make String Balanced

  Posted on Dec 31, 2024 5 mins

• Problem 921 Minimum Add to Make Parentheses Valid

  Posted on Dec 20, 2024 5 mins

• Problem 921 Minimum Add to Make Parentheses Valid

  Posted on Dec 20, 2024 5 mins

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