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Problem Category Points AC % ▴ Users
Cheerio Contest 2 P2 - Cereal Boxes Uncategorized 3 13.0% 25
Ancient Castle Ruins Uncategorized 25p 2.9% 1
MCIPC Contest 2 P6 - Block Tower Uncategorized 12p 11.6% 9
MCIPC Contest 2 P5 - Holiday Chocolates Uncategorized 10p 26.0% 7
Waterloo 2022 Fall A - Zero AAMP Currents Waterloo Local 10 62.5% 26
Waterloo 2022 Fall B - Lightbulbs Waterloo Local 15 19.3% 15
Waterloo 2022 Fall C - Squaring the Triangle Waterloo Local 17 41.2% 16
Waterloo 2022 Fall D - Course Selection Waterloo Local 5 63.7% 50
Waterloo 2022 Fall E - Water Flow Waterloo Local 12 18.3% 7
EGOI '22 P1 - SubsetMex EGOI 10p 37.0% 58
EGOI '22 P2 - Lego Wall EGOI 15p 12.2% 18
EGOI '22 P3 - Social Engineering EGOI 15p 7.1% 16
EGOI '22 P5 - Data Centers EGOI 10p 33.3% 30
EGOI '22 P6 - Superpiece EGOI 20p 5.0% 8
Non-constructive Constant Time Algorithm Fun Math 20 9.1% 2
MCIPC Contest 2 P3 - Snowy Streets Uncategorized 5p 28.6% 46
MCIPC Contest 2 P4 - Wreath Uncategorized 7p 9.6% 8
DMOPC '22 Contest 3 P5 - Alice Rebalancing DMOPC 20p 7.3% 28
MCIPC Contest 2 P2 - Icicles Uncategorized 3 38.8% 58
MCIPC Contest 2 P1 - Super Mega Snowball Uncategorized 3 37.0% 43
NOIP '20 P4 - WeRun China NOI 20p 5.0% 2
WOSS Dual Olympiad 2022 J1: Holiday Gifting Seasonal 3 56.7% 245
WOSS Dual Olympiad 2022 J2: Counting Christmas Trees Seasonal 3 37.8% 200
WOSS Dual Olympiad 2022 S3: Sightseeing in the North Pole Seasonal 12 16.9% 23
NOIP '04 P3 - Chorus Formation China NOI 10p 29.6% 28
NOIP '04 P4 - Bugs Eating Computation China NOI 15p 5.5% 9
WOSS Dual Olympiad 2022 J3/S1: Christmas List Seasonal 5p 58.6% 154
WOSS Dual Olympiad 2022 Team Round P1: Bobby and His Calculus Test Seasonal 3p 60.0% 74
WOSS Dual Olympiad 2022 Team Round P3: Bobby and the Sidewalk Seasonal 10p 28.9% 39
WOSS Dual Olympiad 2022 Team Round P2: Bobby's Studying Schedule Seasonal 5 58.5% 48
WOSS Dual Olympiad 2022 S2: Festive Card Game Seasonal 7p 19.8% 62
WOSS Dual Olympiad 2022 J4: Fire on Christmas Day Seasonal 7p 13.7% 34
EGOI '21 P1 - Zeros EGOI 7p 20.7% 70
NOIP '07 P1 - Counting Numbers China NOI 3p 51.5% 47
NOIP '07 P2 - Expanding Strings China NOI 5p 13.2% 20
NOIP '07 P3 - Removing Numbers from Matrix China NOI 15p 20.4% 22
NOIP '07 P4 - Core of a Tree Net China NOI 17p 10.3% 2
EGOI '21 P2 - Luna Likes Love EGOI 12p 26.0% 43
NOIP '08 P1 - Silly Monkey China NOI 5p 38.4% 29
NOIP '08 P2 - Expression by Matches China NOI 10p 52.5% 25
NOIP '08 P3 - Message Passing China NOI 15p 42.9% 16
Mock CCC '23 1 S1 - Composite Fibonacci Numbers Mock CCC 5p 13.0% 148
Mock CCC '23 1 S2 - Keenan Hates Triangles Mock CCC 5p 22.9% 97
Mock CCC '23 1 S4 - Roger Says Yabe Mock CCC 15p 7.2% 19
Mock CCC '23 1 S3 - Richard The Penguin Mock CCC 10p 5.9% 27
Mock CCC '23 1 S5 - The Obligatory Data Structures Problem Mock CCC 25p 14.0% 10
Max's Anger Contest Series 1 P4 - Greedily Gamboling (Hard Version) Seasonal 15p 28.7% 13
Mock CCC '23 Contest 1 J5 - Calculus Problem Mock CCC 12p 10.1% 41
NOIP '22 P1 - Flower Planting China NOI 10p 29.0% 39
NOIP '22 P2 - Meow Meow China NOI 20p 5.1% 8