Coin Change - Count Number of Ways of representing Amount given Finite supply of denominations

Count number of ways to fill an n x 4 grid using 1 x 4 tiles

Count Sorted Vowel Strings

Count of Range Sum

Consecutive Numbers Sum

Subarray Product Less Than K

Count distinct binary trees for a given number of nodes

November 26, 2024 · 4 min ·  Tags List of tags for the post   binary-tree ·  count ·  Last updated: Aug 2, 2025

Delete Characters to Make Fancy String

Minimum Add to Make Parentheses Valid

Count Inversions - Count Smaller on Right

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