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