package q73

func setZeroes(matrix [][]int) {
	zRows := make([]bool, len(matrix))
	zCols := make([]bool, len(matrix[0]))
	for r := range matrix {
		for c := range matrix[0] {
			if matrix[r][c] == 0 {
				zRows[r] = true
				zCols[c] = true
			}
		}
	}

	for r := range matrix {
		for c := range matrix[0] {
			if zRows[r] || zCols[c] {
				matrix[r][c] = 0
			}
		}
	}
}

var _ = setZeroes