2025-08-20 12:09:02 +0000 UTC

class Solution:
    def deleteGreatestValue(self, grid: List[List[int]]) -> int:
        for row in grid:
            row.sort()
        res = 0
        for _ in range(len(grid[0])):
            cur_sum = 0
            for row in grid:
                cur_sum = max(cur_sum, row.pop())
            res += cur_sum
        return res