Update README.md

Added problems from 20-22 in table of contents

README.md

@@ -57,7 +57,10 @@ By practicing daily, you'll not only sharpen your problem-solving skills but als
 | <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/16-10-2024">16-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/16-10-2024/Question.md"> Handling Conflict in a Team | 🟢 Beginner | Soft Skills / Teamwork | Non-Tech     | NA        |
 | <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/17-10-2024">17-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/17-10-2024/Question.md"> VBA Code to Create PowerPoint from Normal Data | 🟢 Beginner | Tools and Technology | Tech     | NA        |
 | <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/18-10-2024">18-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/18-10-2024/Question.md"> Output of C Code | 🟢 Beginner | Programming Languages (C) | Tech     | NA        |
-| <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/19-10-2024">19-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/19-10-2024/Question.md"> Data Visualization Using Python for NBA Dataset | 🟡 Intermediate | Data Visualization | Tech     | TBA        |
+| <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/19-10-2024">19-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/19-10-2024/Question.md"> Data Visualization Using Python for NBA Dataset | 🟡 Intermediate | Data Visualization | Tech     | NA        |
+| <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/20-10-2024">20-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/20-10-2024/Question.md"> Memory Allocation in Structures | 🟢 Beginner | Programming Languages (C++) | Tech     | NA        |
+| <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/21-10-2024">21-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/21-10-2024/Question.md"> Half Pyramid Pattern in C++ | 🟢 Beginner | DProgramming Languages (C++) | Tech     | NA        |
+| <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/tree/main/22-10-2024">22-10-2024</a> |  <a href = "https://github.com/madhurimarawat/CodeCulture-Daily/blob/main/22-10-2024/Question.md"> Managing Time and Priorities | 🟢 Beginner | Soft Skills / Time Management | Non-Tech     | TBA        |
 
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