shangjingbo

July 2009 (Contest V)

Quadratic Equations, Lights Off, Sums in a cuboid, Lights Off, Revisited!, Johny the farmer, Buggy algorithm, The White Knight

August 2009 (Contest VI)

Magic sequence, Bytelandian Robots, Curry Stained Napkin, Golf course, Crystals, Divide and conquer

September 2009 (Contest VIII)

Se7en, A Bowling Game, Smart Frog, A Coin Game

December 2009 (Contest XI)

Plant Location, Maze of Digits, Effective Sets, The N Queens Puzzle Revisited, Park tour, Palindromic Numbers

March 2010 Contest

Treasure Hunting, K-important Strings, Tri-Hexagonal Puzzle

May 2010 Contest

Nice Quadrangles, Rendezvous, Summing Slopes

April Long Contest

Gravel, Rectangles Counting, Central Point, Number Game Revisited

January Cook-Off

Collision in Space, Makx Sum

August Cook-Off 2012

Forced Output, Code Crazy Minions

February 2013 Challenge

Magic Board

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Problems Tested (32)

Editorials Contributed (39)