Problems

Problem	Category	Points	AC %	Users
XOR Minimum	Uncategorized	17p	31.5%	74
XOR Sum	Fun Math	10	42.3%	144
James' XOR Update	Uncategorized	12p	33.6%	17
Crosswords	Uncategorized	15p	20.0%	4
Invitation Devastation	Seasonal	3	43.2%	251
Food Selection	Seasonal	5p	38.1%	80
Gift Wrap	Seasonal	5	63.0%	134
Leftover Eggnog	Seasonal	15p	29.8%	113
Message to Mars	Seasonal	20p	12.9%	44
Tiles	Seasonal	20p	20.8%	19
Late Christmas Shopping	Seasonal	3p	31.0%	152
The 365 Days of Christmas	Seasonal	5p	24.6%	131
Arithmetic Snowman	Seasonal	7p	20.4%	203
DIY Christmas Tree	Seasonal	10p	34.5%	63
Eggnog Dilemma	Seasonal	12p	5.1%	22
Cake Balancing	Seasonal	15p	33.9%	94
Old Christmas Lights	Seasonal	17p	17.2%	80
S-NO-wall	Seasonal	20p	12.6%	50
Mr. N and Presents	Seasonal	7p	26.4%	208
Peter's Escape	Seasonal	10p	16.9%	49
Fibonacci Presents	Seasonal	10	12.8%	76
Christmas Cozonac	Seasonal	12p	16.9%	31
The Christmas Swap	Seasonal	15	21.2%	45
Christmas Cards	Seasonal	15p	22.9%	119
Santa's Deliveries	Seasonal	25p	19.9%	18
Boxen in Boxen	Seasonal	25	6.6%	11
Happy New Year!	Seasonal	3p	24.6%	192
Mimi and Christmas Cake	Seasonal	5p	34.3%	306
World Domination Fun	Seasonal	10p	12.5%	115
The Polar Express	Seasonal	7p	22.8%	133
Hanoi Heuristics	Seasonal	15p	5.5%	9
Old Christmas Lights II	Seasonal	25p	11.9%	54
Tree of Life	Seasonal	20p	14.9%	29
Snowy Streets	Seasonal	25p	11.2%	19
Snowball Fight	Seasonal	3	46.8%	236
Ball Sculpture	Seasonal	7	16.4%	99
Santa's Journey	Seasonal	7	6.8%	52
A Button Challenge	Seasonal	15p	5.5%	7
Best Hat in Town	Seasonal	15	20.8%	14
Buffer Zone	Seasonal	20	18.8%	3
The Order of the Fox	Seasonal	20	17.0%	25
Best Hat in Town II	Seasonal	25	20.3%	27