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Problem Category Points AC % ▾ Users
IOI '02 P4 - Batch Scheduling IOI 20p 37.7% 319
DMOPC '18 Contest 3 P2 - Bob and French Class DMOPC 7p 37.7% 394
DMOPC '14 Contest 2 P1 - Logging Log DMOPC 3p 37.6% 779
DMOPC '14 Contest 1 P3 - New Students DMOPC 3p 37.6% 873
Another Contest 6 Problem 2 - A Plus B (Easy) ACC 0p 37.6% 645
Back From Summer '19 P6: Composite Zeyu Seasonal 15p 37.6% 41
CCC '07 S3 - Friends CCC 7 37.5% 1694
DMOPC '15 Contest 4 P6 - Alarms DMOPC 12p 37.5% 38
CCC '98 S1 - Censor CCC 5 37.5% 1467
HCI '16 - Gifts Uncategorized 17p 37.5% 8
COCI '17 Contest 1 #2 Tetris COCI 5 37.5% 27
WC '18 Contest 1 S2 - Essay Generator Woburn Challenge 7p 37.5% 221
ICPC NEERC 2010 H - Hands of Poker ICPC 15p 37.5% 3
COI '10 #2 Telka COCI 12p 37.5% 17
Google Code Jam '15 Round 1A Problem B - Haircut Google Code Jam 7p 37.5% 3
NOI '23 P3 - Depth First Search China NOI 35p 37.5% 2
CCC '06 S1 - Maternity CCC 5 37.5% 1141
Art Academy Uncategorized 5p 37.4% 54
Facebook Hacker Cup '15 Round 1 P2 - Autocomplete FHC 10 37.4% 283
DMOPC '14 Contest 7 P4 - Sand Triangle DMOPC 7p 37.4% 220
CCC '08 S1 - It's Cold Here! CCC 5 37.4% 2171
CCC '04 J2 - Terms of Office CCC 3 37.4% 3509
ECOO '15 R1 P3 - Ten Pin Trig ECOO 10p 37.4% 41
ICPC RMRC 2016 J - Stack Construction ICPC 20 37.3% 35
COCI '19 Contest 5 #4 Putovanje COCI 15p 37.3% 100
DMOPC '18 Contest 4 P0 - Dr. Henri and Seeing Stars DMOPC 3p 37.3% 247
VMSS Pre-Pre-Windsor P6 - InterNAV Uncategorized 7 37.3% 142
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC TLE 5p 37.3% 466
Modulo Sort Uncategorized 5p 37.3% 188
CCC '05 J3 - Returning Home CCC 5 37.3% 2353
CCC '05 S2 - Mouse Move CCC 5 37.2% 1683
UTS Open '15 #1 - Caesar Salad Uncategorized 5p 37.2% 84
CCC '08 S5 - Nukit CCC 10p 37.2% 705
COCI '11 Contest 6 #4 Rez COCI 10p 37.2% 30
CCC '07 J4 - Anagram Checker CCC 5 37.2% 2117
SAC '22 Code Challenge 2 P3 - Rating Choices SAC Coding Challenge 7 37.2% 79
CCC '02 S4 - Bridge Crossing CCC 10p 37.1% 882
CCC '15 J2 - Happy or Sad CCC 3 37.1% 7008
DMOPC '18 Contest 4 P1 - Dr. Henri and Differential Photometry DMOPC 3p 37.1% 218
GlobeX Cup '18 J1 - Rounding Errors Uncategorized 3p 37.1% 230
ECOO '17 R3 P3 - Region Selection ECOO 12p 37.0% 18
QCC P3 - Cohorts Uncategorized 10p 37.0% 47
MCIPC Contest 2 P1 - Super Mega Snowball Uncategorized 3 37.0% 43
Google Code Jam '22 Round 1A Problem A - Double or One Thing Google Code Jam 5p 37.0% 8
TSOC '16 Contest 1 #2 - Johnny and Garden TSOC 5p 37.0% 153
EGOI '22 P1 - SubsetMex EGOI 10p 37.0% 58
COCI '08 Contest 6 #3 Nered COCI 10 36.9% 113
WC '15 Contest 3 J1 - Battle Predictions Woburn Challenge 3 36.9% 203
PEG Test '14 - Fire Uncategorized 5 36.9% 209
Disjoint Set Test Data Structure Tests 10 36.9% 881