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Problem Category Points AC % Users
ICPC NEERC 2010 F - Factorial Simplification ICPC 15p 26.1% 5
ICPC NEERC 2010 H - Hands of Poker ICPC 15p 37.5% 3
ICPC NEERC 2010 K - Graph Oddity ICPC 12p 30.6% 21
ICPC NEERC 2012 C - Caravan Robbers ICPC 10 9.7% 25
ICPC NEERC 2014 I - Improvements ICPC 15 30.8% 4
ICPC NEERC Northern Subregional 2007 E - Elevator ICPC 17 16.3% 75
Next Semiprime Uncategorized 10p 11.2% 23
What a Niche Uncategorized 10p 13.3% 16
N-K Special Uncategorized 10p 8.7% 34
NOI '00 P2 - Program Parser China NOI 12p 16.0% 13
NOI '00 P3 - Mystery of the Lost City China NOI 17p 42.3% 10
NOI '00 P5 - Frogs Crossing the River China NOI 10p 30.4% 25
NOI '01 P1 - Food Chain China NOI 15p 25.7% 91
NOI '01 P3 - The Clever Typist China NOI 15p 27.9% 41
NOI '01 P4 - Applications of Arctangent China NOI 15 29.0% 87
NOI '01 P5 - Equation Solutions China NOI 15p 8.5% 69
NOI '01 P6 - Secret of the Meteorite China NOI 15p 19.6% 26
NOI '02 P1 - Legend of the Galactic Heroes China NOI 15p 20.9% 78
NOI '02 P2 - Naughty Kid China NOI 15p 22.4% 15
NOI '02 P3 - The Greedy Kuzuryū China NOI 17p 25.4% 59
NOI '02 P5 - New Tetris China NOI 15p 4.1% 3
NOI '03 P1 - Stick Game China NOI 15p 21.4% 24
NOI '03 P2 - Text Editor China NOI 10p 22.7% 41
NOI '05 P4 - CongCong and KoKo China NOI 15p 20.2% 62
NOI '07 P1 - Social Network China NOI 15p 32.4% 85
NOI '08 P1 - Masquerade Party China NOI 15p 9.4% 25
NOI '10 P1 - Energy Harvesting China NOI 17p 29.2% 73
NOI '12 P1 - Random Number Generator China NOI 15p 25.1% 62
NOI '14 P1 - Getting-Up Syndrome China NOI 10p 27.2% 157
NOI '14 P4 - Zoo China NOI 15p 27.9% 79
NOI '14 P5 - Random Number Generator China NOI 12p 24.1% 52
NOI '15 P1 - Automated Program Analyzer China NOI 12p 18.7% 102
NOI '18 Problem 1 - Return China NOI 17p 20.0% 11
NOI '20 P5 - Surreal China NOI 17p 11.3% 19
NOI '23 P1 - Square Coloring China NOI 17p 25.9% 12
NOI '97 P5 - Building Game China NOI 15p 27.9% 25
NOI '97 P6 - Satellite Coverage China NOI 12p 38.4% 28
NOI '98 P2 - Free Pizza China NOI 15p 18.8% 13
NOI '98 P3 - Software Installation Disk China NOI 15p 43.8% 3
NOI '98 P4 - Scarf Cutting China NOI 15p 26.0% 9
NOI '98 P5 - SERNET Simulation China NOI 12p 8.5% 14
NOI '99 P2 - Nails and Ball China NOI 15p 20.5% 16
NOI '99 P4 - Chessboard Division China NOI 15p 18.6% 15
NOI '99 P5 - Optimally Connected Subset China NOI 15p 73.1% 19
NOI '22 Multi-Provincial Team Selection P1 - Preprocessor China NOI 10p 8.2% 12
NOIP '04 P3 - Chorus Formation China NOI 10p 31.5% 29
NOIP '04 P4 - Bugs Eating Computation China NOI 15p 5.9% 10
NOIP '07 P3 - Removing Numbers from Matrix China NOI 15p 22.1% 25
NOIP '07 P4 - Core of a Tree Net China NOI 17p 11.3% 4
NOIP '08 P2 - Expression by Matches China NOI 10p 50.0% 26