Count Negative Numbers in a Column | Python implementation of Naive method to count of negative numbers in M [ n ] [ m ] ; Follow the path shown using arrows above ; no more negative numbers in this row ; Driver code
def countNegative ( M , n , m ) : NEW_LINE INDENT count = 0 NEW_LINE for i in range ( n ) : NEW_LINE INDENT for j in range ( m ) : NEW_LINE INDENT if M [ i ] [ j ] < 0 : NEW_LINE INDENT count += 1 NEW_LINE DEDENT else : NEW_LINE INDENT break NEW_LINE DEDENT DEDENT DEDENT return count NEW_LINE DEDENT M = [ [ - 3 , - 2 , - 1 , 1 ] , [ - 2 , 2 , 3 , 4 ] , [ 4 , 5 , 7 , 8 ] ] NEW_LINE print ( countNegative ( M , 3 , 4 ) ) NEW_LINE