Daily Express

LeetCode Daily Problem: Saturday, March 21, 2026

Name: 3643. Flip Square Submatrix Vertically
Uploaded: 2026-03-21T00:00:00.000Z
Duration: 7 min 9 s
Channel: MIK (codestorywithMIK)
Description: LeetCode Daily Problem for Saturday, March 21, 2026: 3643. Flip Square Submatrix Vertically (easy). Video solution by codestorywithMIK, with the problem link and code.

Video solution by codestorywithMIK for 3643. Flip Square Submatrix Vertically.

3643. Flip Square Submatrix Vertically

EasyArray · Two Pointers · Matrix · 7:09

LeetCode problem 3643, Flip Square Submatrix Vertically, was LeetCode's Daily Challenge on Saturday, March 21, 2026. It's rated easy. codestorywithMIK explains the approach step by step in the video above.

Open the lecture LeetCode ↗ MIK's code Watch on YouTube