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Problem Category Points AC % Users ▾
Dream and the Multiverse Uncategorized 50p 5.2% 2
Baltic OI '08 P1 - Game Baltic OI 25p 12.5% 2
DMOPC '21 Contest 5 P5 - Permutations & Primes (Hard Version) DMOPC 40p 1.5% 2
COI '17 #4 Zagonetka COCI 17p 2.1% 2
COI '11 #3 Setnja COCI 25p 50.0% 2
COI '14 #3 Ogledala COCI 30p 22.2% 2
NOI '22 Multi-Provincial Team Selection P6 - MIS China NOI 40p 8.3% 2
CEOI '22 P4 - Drawing CEOI 35p 0.9% 2
JOI '19 Open P3 - Virus Experiment JOI 35p 5.7% 2
Baltic OI '03 P3 - Table Baltic OI 10p 9.1% 2
NOI '16 P6 - Computation China NOI 30p 1.6% 2
NOI '22 P2 - Stone China NOI 30p 25.0% 2
Non-constructive Constant Time Algorithm Fun Math 20 9.1% 2
NOIP '20 P4 - WeRun China NOI 20p 5.0% 2
NOIP '07 P4 - Core of a Tree Net China NOI 17p 10.3% 2
Google Code Jam '08 Round 1A Problem B - Milkshakes Google Code Jam 7p 66.7% 2
Google Code Jam '10 Qualification Round Problem A - Fair Warning Google Code Jam 7p 40.0% 2
Google Code Jam '11 Qualification Round Problem D - GoroSort Google Code Jam 15p 33.3% 2
Google Code Jam '11 Round 1A Problem B - The Killer Word Google Code Jam 12p 22.2% 2
Google Code Jam '12 Qualification Round Problem C - Recycled Numbers Google Code Jam 5p 40.0% 2
Google Code Jam '12 Round 1A Problem A - Password Problem Google Code Jam 5p 71.4% 2
Google Code Jam '12 Round 1A Problem B - Kingdom Rush Google Code Jam 7p 22.2% 2
Google Code Jam '13 Round 1A Problem B - Manage your Energy Google Code Jam 7p 11.1% 2
Google Code Jam '13 Qualification Round Problem B - Lawnmower Google Code Jam 7p 40.0% 2
Google Code Jam '13 Qualification Round Problem D - Fair and Square Google Code Jam 12p 20.0% 2
Google Code Jam '14 Qualification Round Problem C - Deceitful War Google Code Jam 10p 40.0% 2
Google Code Jam '14 Round 1A Problem A - Charging Chaos Google Code Jam 7p 66.7% 2
Google Code Jam '15 Qualification Round Problem B - Infinite House of Pancakes Google Code Jam 5p 12.5% 2
Google Code Jam '16 Qualification Round Problem B - Revenge of the Pancakes Google Code Jam 5p 66.7% 2
Google Code Jam '16 Round 1A Problem B - Rank and File Google Code Jam 7p 66.7% 2
Google Code Jam '16 Round 1A Problem C - BFFs Google Code Jam 10p 66.7% 2
Google Code Jam '17 Qualification Round Problem C - Bathroom Stalls Google Code Jam 10p 66.7% 2
Another Contest 10 Problem 3 - Wesley's Anger Contest 7 Problem 3 - The Obligatory Rage Tree Problem ACC 15p 1.1% 2
다른 콘테스트 10 문제 4 - 웨슬리의 분노 대결 7 문제 4 - 이 문제는 의도적으로 비워 둡니다 ACC 0p 0.6% 2
The Contest Contest 1 P6 - A Typical DMOPC Problem Uncategorized 30p 1.0% 2
NOI '17 P6 - Magic China NOI 40p 40.0% 2
NOI '23 P3 - Depth First Search China NOI 35p 37.5% 2
IOI '23 P6 - Robot Contest IOI 40p 3.4% 2
JOI '14 Open P3 - Space Pirate JOI 50p 1.6% 1
ICPC ECNA 2016 A - Bubbly Troubly ICPC 20 33.3% 1
DMOPC '16 Contest 3 P4 - Serpent's Search DMOPC 17p 0.6% 1
HCI '16 - Pi Digits Uncategorized 30 0.2% 1
TLE 2018-19 P6 - The Final Test Seasonal 40p 0.5% 1
DS '19 Day 1 P1 - Arithmetic Square Seasonal 20p 5.4% 1
COCI '15 Contest 6 #6 San COCI 20p 25.0% 1
CCO '99 P5 - Sum Of Products CCO 15 4.3% 1
ECOO '19 R3 P4 - Network ECOO 15p 0.7% 1
Angie and Functions (Hard) Uncategorized 30 2.1% 1
JOI '18 Spring Camp Day 1 P2 - Fences JOI 30p 50.0% 1
XIV POI Stage I - Queries POI 15p 0.5% 1