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LeetCode 446: Arithmetic Slices II - Subsequence | C# Solution | Dynamic Programming |

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📝 In this video, we'll solve the "Arithmetic Slices II - Subsequence" problem using C#. Learn how to count arithmetic subsequences using DP with dictionaries!
#leetcode #dynamicprogramming #subsequence #faangprep #codinginterview
🎯 Problem Difficulty: Hard
⏱️ Time Complexity: O(n²)
💾 Space Complexity: O(n²)
🔍 Key Concepts Covered:
Dynamic Programming
Dictionary Usage
Subsequence Counting
Long Arithmetic
C# Implementation
💡 We'll cover:
DP state design
Dictionary management
Arithmetic sequences
Overflow handling
Interview strategies
📚 Related LeetCode Problems:
Arithmetic Slices (LC-413)
Longest Arithmetic Subsequence (LC-1027)
Arithmetic Subarrays (LC-1630)
Number of Arithmetic Triplets (LC-2367)
#datastructures #algorithms #dp #subsequences
#computerscience #codingproblems #softwareengineering #metacoding
#amazoninterviews #microsoftinterviews #hardproblems
🎓 Perfect for:
C# developers
DP mastery
Interview preparation
Hard problems
⭐️ Complete C# Solution:
☕ Support the Channel:
💻 Prerequisites:
Dynamic Programming
Dictionary operations
Subsequence concept
#programmingfundamentals #developerlife #codingbootcamp #interviewprep
#leetcodehard #dotnetdevelopers #csharpdev #dynamicprogramming
#arithmeticsequences #subsequences #algorithmstudy
❤️ Like and Subscribe for more LeetCode solutions in C#!
💬 Questions? Drop them in comments!
#leetcode #dynamicprogramming #subsequence #faangprep #codinginterview
🎯 Problem Difficulty: Hard
⏱️ Time Complexity: O(n²)
💾 Space Complexity: O(n²)
🔍 Key Concepts Covered:
Dynamic Programming
Dictionary Usage
Subsequence Counting
Long Arithmetic
C# Implementation
💡 We'll cover:
DP state design
Dictionary management
Arithmetic sequences
Overflow handling
Interview strategies
📚 Related LeetCode Problems:
Arithmetic Slices (LC-413)
Longest Arithmetic Subsequence (LC-1027)
Arithmetic Subarrays (LC-1630)
Number of Arithmetic Triplets (LC-2367)
#datastructures #algorithms #dp #subsequences
#computerscience #codingproblems #softwareengineering #metacoding
#amazoninterviews #microsoftinterviews #hardproblems
🎓 Perfect for:
C# developers
DP mastery
Interview preparation
Hard problems
⭐️ Complete C# Solution:
☕ Support the Channel:
💻 Prerequisites:
Dynamic Programming
Dictionary operations
Subsequence concept
#programmingfundamentals #developerlife #codingbootcamp #interviewprep
#leetcodehard #dotnetdevelopers #csharpdev #dynamicprogramming
#arithmeticsequences #subsequences #algorithmstudy
❤️ Like and Subscribe for more LeetCode solutions in C#!
💬 Questions? Drop them in comments!
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