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Problem Category Points ▾ AC % Users
Quine Classics 10 35.5% 665
CCO '99 P2 - Common Words CCO 10 12.3% 314
GCC '16 P1 - Watching Anime Uncategorized 10p 15.9% 65
CCO '05 P5 - Segments CCO 10p 44.3% 284
DMOPC '16 Contest 3 P3 - Phantom Fight DMOPC 10p 14.1% 98
ICPC NAQ 2015 G - Safe Passage ICPC 10 49.7% 91
GFSSOC '17 S4 - First Ace GFSSOC 10 12.5% 36
COCI '06 Contest 5 #3 Tenis COCI 10p 18.5% 74
DMOPC '16 Contest 3 P2 - Starstruck Squeeze DMOPC 10p 8.8% 106
HCI '16 - Redstone Repeaters Uncategorized 10p 2.3% 9
HCI '16 - lvm_ex Uncategorized 10p 10.4% 6
HCI '16 - Xorpow Uncategorized 10p 23.8% 76
HCI '16 - Boxception Uncategorized 10p 53.0% 7
HCI '16 - Taxi Uncategorized 10p 24.3% 46
IOI '98 P1 - Contact IOI 10p 8.9% 58
IOI '00 P1 - Palindrome IOI 10p 18.4% 819
New Year's '17 P3 - Fibonacci Presents Seasonal 10 12.8% 81
New Year's '17 P2 - Peter's Escape Seasonal 10p 12.7% 59
MNYC '17: Hurontario Seasonal 10p 13.7% 237
ICPC ECNA 2005 B - Countdown ICPC 10 21.9% 121
ICPC ECNA 2005 H - Two Ends ICPC 10 35.1% 156
TLE '16 Contest 5 P2 - Playing Piano TLE 10p 15.6% 26
TLE '16 Contest 5 P3 - Flight Exam TLE 10p 6.9% 46
DMOPC '16 Contest 4 P3 - Carnival Phantasm DMOPC 10 19.2% 239
CCO '05 P1 - Number Matrix CCO 10 24.2% 161
Facebook Hacker Cup '17 Qualifying Round P3 - Fighting the Zombie FHC 10p 19.4% 29
ICPC ECNA 2000 F - To Bet or Not To Bet ICPC 10 29.4% 4
RGPC '17 P4 - Snow Day Uncategorized 10p 13.1% 97
TLE '16 Contest 6 (Mock CCC) S2 - Paper Stapling TLE 10p 6.0% 41
TLE '16 Contest 6 (Mock CCC) J5 - Meal Plan TLE 10p 5.1% 13
DMOPC '16 Contest 4 P5 - Migrant Mascot DMOPC 10p 21.6% 315
Waterloo 2017 Winter B - Vera and LCS Waterloo Local 10 16.3% 181
Waterloo 2017 Winter C - Vera and Mean Sorting Waterloo Local 10 31.1% 21
Next Semiprime Uncategorized 10p 11.3% 23
TLE '16 Contest 7 P3 - NOR TLE 10p 31.0% 51
TLE '16 Contest 7 P4 - Abstract Problem TLE 10p 19.8% 152
CCO '00 P1 - Subsets CCO 10 35.0% 269
ECOO '17 R2 P2 - Treasure Hunt ECOO 10p 41.7% 57
Mock CCO '17 Problem 1 - Fast Fuhrer Transform Mock CCO 10p 25.4% 60
COCI '07 Contest 2 #6 Pravokutni COCI 10 5.5% 34
COCI '07 Contest 4 #4 Muzicari COCI 10 31.4% 250
COCI '07 Contest 6 #3 Granica COCI 10p 19.6% 241
COCI '07 Regional #2 Nikola COCI 10 32.5% 217
Bubble Cup V8 D Tablecity Bubble Cup 10 39.1% 119
Bubble Cup V9 C Paint it really, really black Bubble Cup 10 15.4% 21
COCI '08 Contest 1 #3 Mravojed COCI 10 15.1% 58
COCI '08 Contest 2 #4 Svada COCI 10p 10.7% 41
DMPG '17 S3 - Black and White III DMOPC 10p 18.1% 47
THICC '17 P4 - Kenta's Neural Networks Uncategorized 10p 21.9% 47
ECOO '15 R3 P3 - Roadie Cross ECOO 10p 22.7% 5