2025-12-28 16:38:30 +0300 MSK

Count Negative Numbers in a Sorted Matrix
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Code

class Solution:
    def countNegatives(self, grid: List[List[int]]) -> int:
        count = 0
        for row in reversed(grid):
            for col in reversed(row):
                if col < 0:
                    count += 1
                else:
                    break
        return count