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Problem Category Points AC % ▴ Users
ECOO '18 R2 P1 - Artificial Photosynthesystem ECOO 7p 39.1% 36
CCC '09 J2 - Old Fishin' Hole CCC 5 39.1% 1583
Back From Summer '17 P1: Pithy Pastimes Seasonal 3 39.2% 780
ECOO '17 R2 P4 - Zig Zag ECOO 12p 39.2% 29
PEG Test '14 - Change Uncategorized 7 39.3% 50
IOI '96 P1 - A Game IOI 10 39.3% 267
DWITE '10 R5 #3 - Balancing Act DWITE 7 39.3% 165
Valentine's Day '19 J1 - Rainbow Rating Uncategorized 3 39.3% 509
ECOO '16 R1 P3 - Railway Sort ECOO 7p 39.3% 331
3n+1 Uncategorized 3 39.3% 1696
COCI '15 Contest 6 #4 Parovi COCI 12p 39.4% 77
GFSSOC '17 S1 - Path to Waterloo GFSSOC 7 39.4% 160
COCI '18 Contest 1 #1 Nadan COCI 3p 39.4% 166
COCI '13 Contest 2 #2 Misa COCI 5p 39.4% 179
NOI '04 P5 - Little H's Little Hut China NOI 20p 39.4% 7
CCC '15 J4 - Wait Time CCC 5 39.4% 1311
COCI '16 Contest 6 #4 Savršen COCI 7p 39.4% 41
COCI '12 Contest 4 #4 Razlika COCI 12p 39.4% 22
Budget Uncategorized 3 39.5% 131
CCC '22 S1 - Good Fours and Good Fives CCC 5p 39.5% 2122
COCI '07 Contest 2 #2 Crne COCI 3 39.5% 390
ICPC ECNA 2005 F - Square Count ICPC 15 39.5% 20
NOI '97 P6 - Satellite Coverage China NOI 12p 39.5% 27
IOI '06 P1 - Deciphering the Mayan Writing IOI 7p 39.5% 432
Cheerio Contest 1 J2 - Phys Ed Class Uncategorized 3 39.5% 135
CCC '02 S1 - The Students' Council Breakfast CCC 5 39.5% 1495
CCC '18 S2 - Sunflowers CCC 5p 39.6% 2804
ICPC SWERC 2017 A - Cakey McCakeFace ICPC 5 39.6% 11
COCI '23 Contest 2 #5 Zatopljenje COCI 15p 39.6% 31
UCRPC F21 F - Trip Navigator ICPC 12p 39.6% 33
BlueBook - Min BlueBook 3 39.6% 701
Another Contest 4 Problem 7 - A Sack of Creatures ACC 0 39.6% 44
DWITE '11 R5 #2 - Forest Fires DWITE 7 39.6% 93
COCI '06 Contest 2 #3 Kolone COCI 7 39.6% 282
GFSSOC '17 J2 - Admission Average GFSSOC 3p 39.7% 394
BlueBook - Power Base BlueBook 3 39.7% 545
DWITE '09 R2 #5 - Portals Redux DWITE 12 39.7% 23
Bill's Binoculars Uncategorized 5 39.7% 51
COCI '11 Contest 3 #4 Robot COCI 7 39.7% 25
DWITE '11 R3 #5 - Tautology DWITE 10 39.7% 29
WC '18 Finals J1 - Conditional Contracts Woburn Challenge 5p 39.7% 169
WC '17 Contest 2 S2 - Don't Follow the Lights Woburn Challenge 12p 39.8% 36
COCI '15 Contest 5 #2 Multigram COCI 5 39.8% 25
JOI '20 Open P3 - Power Plant JOI 15p 39.8% 23
Triway Cup '19 Summer I - An Easy Problem Seasonal 5 39.8% 75
NOIP '99 P1 - Missile Interception China NOI 12p 39.8% 40
Wesley's Anger Contest 4 Problem 1 - Zeyu's Zany Zort WAC 3 39.8% 226
PIB '20 P5 - 4D Matrices Uncategorized 10p 39.8% 23
GFSSOC '15 Fall J4 - Marathon GFSSOC 7p 39.8% 803
COCI '09 Contest 1 #5 Genijalac COCI 12p 39.9% 48