CS 20 - Summer 2009 - Project 1
		Grader - Nan Li
Code	Pts. out of 100	Grader comments (part1: 30 points; part2: 20 points; part3: 50 points)
2012	40	valid date not completely correct for leap year (-10); part 3 missing (-50)
2017	58	part3 has many compile errors (-42)
2020	100
2031	100
2032	80	valid date not completely correct for leap year (-10); makeEmpty method incorrect (-10)
2033	75	add & substract not correct & matrix b not correct (-25)
2034	55	pre-modern date check not correct (-5); part3 runtime error: OutOfMemoryError (-40)
2036	33	part1 doesn't compile (-27); part3 has 2 compile errors (-40)
2037	95	pre-modern date check not correct
2040	45	incorrect for leap year (-10); part3 does not compile (-45)
2041	100
2043	95	failed to tell which date is invalid
2049	65	pre-modern check not correct & 31-day months incorrect (-15); add & subtract wrong (-20)
2057	95	pre-modern date check not correct
2060	90	makeEmpty method incorrectly programmed
2062	90	not completely correct for leap year
2068	40	pre-modern date check and leap year incorrect (-15); part3 has very many compile errors (-45)
2077	53	pre-modern date check not correct (-5); part3 has many compile errors (-42)
2084	90	not completely correct for leap year
2088	43	problems with dates (-15); part3 has many compile errors (-42)
2094	50	incorrect leap year (-10); part3 has 3 compile errors (-40)
2098	50	pre-modern date check and leap year not correct (-15); part3 results all wrong (-35)
2099	80	check for valid date is not correct