3212. Count Submatrices With Equal Frequency of X and Y
MediumArray · Matrix · Prefix Sum · 16:48
LeetCode problem 3212, Count Submatrices With Equal Frequency of X and Y, was LeetCode's Daily Challenge on Thursday, March 19, 2026. It's rated medium. codestorywithMIK explains the approach step by step in the video above.