SamaraContest:
[City Square.] (http://codeforces.com/gym/100247/problem/G) [Three contest.] (http://codeforces.com/gym/100247/problem/K)
[CERC 2013:] (http://codeforces.com/gym/100299)
Rubik's rectangle.
Magical GCD.
Subway.
Escape.
History course.
Chain and Co.
Captain Obvious and the reabbit Man.
[NEERC 2005:] (http://codeforces.com/gym/100300)
Cocktail.
Map generator I and II.
Trigonometric optimization.
Supersquare.
Parabola.
Pyramid.
[North America North central NA Regional] (http://tinyurl.com/no6e9r5)
Bowling score assistant.
Full board.
Spectrum.
[Dhaka Regional Contest 2013] (https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=594)
Game of MJ
Game of Throne
Pearl Chains
GCD XOR
Fill the Cuboid
[North America - Greater NY] (https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=617)
Triangle Count Sequences of Polygon Triangulations
Contraband
[SWERC 2013] (https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=614)
Mixing Colours
Decoding the Hallway
Joe is learning to speak
Binary Tree
Cleaning the Hallway
[CERC - 2012] (https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=567)
Who wants to live forever?
Non-boring sequences
Farm and factory
Jewel heist
The Dragon and the knights
Graphic Madness