mediumBlind 75
Set Matrix Zeroes
Set entire row and column to 0 if element is 0 Input: m x n matrix Output: modified matrix (in-place and return)
Set Matrix Zeroes is a classic scan-and-record problem: the right bookkeeping beats brute force. Interviewers love it because it reveals your data-structure instincts and your edge-case discipline. Watch your edge cases around repeats, and be clear about what your map is storing.
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1Matrix Zero Markingmedium
Based onLeetCode