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Hot problems

Problem Category Points AC % Users
Google Code Jam '11 Qualification Round Problem D - GoroSort Google Code Jam 15p 55.6% 3
Google Code Jam '11 Round 1A Problem B - The Killer Word Google Code Jam 12p 18.2% 2
Google Code Jam '12 Qualification Round Problem D - Hall of Mirrors Google Code Jam 15p 33.3% 1
Google Code Jam '13 Qualification Round Problem D - Fair and Square Google Code Jam 12p 20.0% 2
Google Code Jam '15 Qualification Round Problem C - Dijkstra Google Code Jam 12p 33.3% 1
Google Code Jam '15 Qualification Round Problem D - Ominous Omino Google Code Jam 12p 14.3% 3
Google Code Jam '17 Round 1A Problem B - Ratatouille Google Code Jam 12 71.4% 4
Google Code Jam '19 Round 1A Problem C - Alien Rhyme Google Code Jam 12p 66.7% 4
Google Code Jam '21 Qualification Round Problem E - Cheating Detection Google Code Jam 15p 15.0% 3
Google Code Jam '22 Qualification Round Problem D - Chain Reactions Google Code Jam 12p 31.7% 8
Google Code Jam '22 Round 2 Problem A - Spiraling Into Control Google Code Jam 12p 50.0% 7
GFSSOC '17 S3 - Zhany Zhanbies GFSSOC 12 4.8% 14
GFSSOC '14 Winter S3 - Hide n Seek GFSSOC 12p 25.1% 191
GFSSOC '15 Fall S4 - Mostly Talking GFSSOC 15p 15.4% 386
GFSSOC '15 Winter S2 - Soko-Boop GFSSOC 12p 22.5% 63
GFSSOC '15 Winter S4 - Starry Nights GFSSOC 12p 22.3% 115
GFSSOC '15 Winter S5 - ORBOT GFSSOC 15p 17.3% 22
Google Kickstart '17 Round A Problem A - Square Counting Google Kick Start 12p 19.9% 19
GlobeX Cup '19 J5 - Aliens Uncategorized 15 12.6% 20
GlobeX Cup '19 S3 - Ninjaclasher's Wrath Uncategorized 12p 12.3% 20
Good Code Uncategorized 15 12.3% 24
Good Celebration Uncategorized 12 14.2% 28
King Graff's Defense Uncategorized 15p 7.3% 61
King Graff's Trip Uncategorized 15p 7.9% 48
Halloween '14 P2 - Cat Girls Seasonal 12p 28.3% 224
Halloween '14 P3 - Dog Girls Seasonal 15p 12.3% 81
HCI '16 - Serial Killer Uncategorized 15p 29.2% 42
HCI '16 - Hearing Uncategorized 15p 18.8% 6
HCI '16 - Moana Uncategorized 15p 0.0% 0
HCI '16 - Penguin Food Uncategorized 15p 19.6% 44
HCI '16 - Stacker Uncategorized 15p 14.7% 31
HCI '16 - Totient Uncategorized 12p 27.1% 19
HHPC1 P3 - Yonder Ridge Uncategorized 12p 11.4% 32
CCCHK '15 J5 - No friends in the same group. CCC 15p 9.7% 33
CCCHK '15 S3 - Symmetric Cross CCC 12p 16.8% 23
CCCHK '15 S4 - When to meet? CCC 15p 21.7% 10
HopScotch II Classics 12p 23.8% 194
Icebergs Uncategorized 12p 19.6% 51
ICHB Selection Contest '17 Problem 3 - Parallel Universe Uncategorized 12p 23.0% 164
Expected Inversions Uncategorized 12p 33.6% 25
A Permutation Problem 2 Uncategorized 12 31.1% 24
IOI '00 P2 - Car Parking IOI 15p 18.3% 55
IOI '00 P4 - Walls IOI 12 36.5% 266
IOI '00 P5 - Post Office IOI 15p 40.6% 186
IOI '01 P1 - Mobile Phones IOI 15p 27.3% 731
IOI '01 P2 - Ioiwari Game IOI 12p 33.6% 10
IOI '02 P1 - The Troublesome Frog IOI 15p 16.6% 79
IOI '03 Practice Task 1 - Balancing Act IOI 15 46.4% 126
IOI '04 P1 - Artemis IOI 15p 6.9% 69
IOI '04 P2 - Hermes IOI 15p 23.6% 189