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Problem Category Points AC % ▾ Users
MWC '15 #5 P3: French Words MWC 5p 30.3% 120
Triway Cup '19 Summer Junior P2 - Thanos Knows the Most Seasonal 5 30.2% 70
DWITE '07 R3 #2 - There's An Essay In My Code DWITE 5 30.2% 222
DMOPC '15 Contest 2 P4 - Personal Assistant DMOPC 12p 30.2% 245
ACM U of T Tryouts C1 E - Foxling Feeding Frenzy ICPC 7 30.2% 117
DWITE '12 R2 #1 - Sugar Rush DWITE 3 30.2% 100
Tree Tasks Uncategorized 10 30.2% 193
TLE '17 Contest 5 P1 - Guess the Number TLE 3p 30.2% 285
UHCC1 P5 - Binary Triangles Uncategorized 7p 30.2% 40
IOI '08 P4 - Teleporters IOI 25p 30.2% 13
Dynamic Range Minimum Test Uncategorized 12 30.2% 415
Checkerboard Cut Uncategorized 25p 30.1% 5
Back From Summer '19 P5: ABC123E Seasonal 17p 30.1% 32
CPC '21 Contest 1 P4 - AQT and Directed Graph Uncategorized 12p 30.1% 252
DMOPC '15 Contest 3 P3 - Dimethylbenzene DMOPC 7p 30.1% 306
Yet Another Contest 2 P5 - Mirror Maze YAC 17p 30.1% 44
A Fenwick Tree Question Olympiads School 15 30.0% 46
Mock CCC '22 Contest 2 J3 - Figure Skating Fun Mock CCC 5p 30.0% 469
Mock CCC '14 J5 - Spacetime Surfer Mock CCC 10 30.0% 83
VM7WC '16 #5 Silver - Jayden Eats Chocolate VM7WC 7 30.0% 506
DWITE '11 R3 #2 - Magical Ponds DWITE 5 30.0% 8
Bitmask Magic Uncategorized 15p 30.0% 22
WC '97 P1 - Searching Quickly Woburn Challenge 10 30.0% 10
COCI '12 Contest 6 #3 Dobri COCI 7p 30.0% 79
COCI '21 Contest 4 #5 Šarenlist COCI 17p 30.0% 24
Baltic OI '14 P3 - Sequence Baltic OI 30p 30.0% 4
Waterloo 2023 Fall B - Orb Tent Waterloo Local 17 30.0% 11
Dynamic Tree Test Data Structure Tests 45 30.0% 32
Back To School '19: Unstable Books Seasonal 15p 29.9% 32
UTS Open '15 #6 - Tetrahedra Uncategorized 40p 29.9% 27
CCC '17 J3 - Exactly Electrical CCC 3p 29.9% 2362
CEOI '17 P5 - Palindromic Partitions CEOI 15p 29.9% 99
DMPG '16 B4 - The Gambler's Legacy DMOPC 7p 29.9% 42
NOI '11 P3 - Ali's Typewriter China NOI 30p 29.9% 24
IOI '05 P6 - Rivers IOI 20p 29.9% 283
CEOI '18 P2 - Global Warming CEOI 15p 29.9% 67
CCC '07 S5 - Bowling for Numbers CCC 10p 29.9% 864
Baltic OI '03 P5 - Lamps Baltic OI 15p 29.9% 17
A Math Contest P7 - Factors Uncategorized 10 29.9% 129
COCI '14 Contest 3 #3 Silueta COCI 12p 29.9% 38
COCI '20 Contest 5 #2 Po COCI 7p 29.9% 123
STNBD P3 - Rinslet Laurenfrost Uncategorized 5p 29.8% 132
TLE '17 Contest 7 P2 - Airport Hopping TLE 5p 29.8% 68
DWITE '12 R5 #2 - Copycat SMS DWITE 5 29.8% 135
The Cake is a Dessert Uncategorized 10 29.8% 197
A Game Uncategorized 10 29.8% 353
Divide and Mod Uncategorized 3 29.8% 69
DWITE '12 R2 #5 - Car Hoppers DWITE 7 29.8% 46
COCI '10 Contest 3 #3 Ekipa COCI 5p 29.8% 39
JOI '13 Open P3 - Watching JOI 15p 29.7% 90