3405. Count the Number of Arrays with K Matching Adjacent Elements
HardMath · Combinatorics · Fermat's Little Theorem · 33:16
LeetCode problem 3405, Count the Number of Arrays with K Matching Adjacent Elements, was LeetCode's Daily Challenge on Tuesday, June 17, 2025. It's rated hard. codestorywithMIK explains the approach step by step in the video above.