Some solutions to Google Code Jam questions.
https://code.google.com/codejam/

TODO: add Multithreading to IO Template

List of problems
2008_1A
    A - MinScalarProduct
    *B - Milkshakes
2009_QR
    A - Alien
2010_1A
    A- Rotate
2010_1B
    A - File Fix-it
2010_1C
    A - Rope Intranet
2010_QRAfrica
    A - Store Credit
    B - Reverse Words
    C - T9 Spelling
2012_1A
    A - Password
    B - Kingdom Rush
    *C - Cruise Control
2012_1B
    *A - Safety in Numbers
2012_QR
    A - Speaking in Tongues
    B - Dancing with the Googlers
2013_QR
    A - Tic-Tac-Toe - Tomek
    B - Lawnmower
    C - Fair and Square
        *Input: Large2
    *D - Treasure
2014_QR
    A - Magic Trick
    B - Cookie Clicker Alpha
    *C - Minesweeper Master
    D - Deceitful War    
* - unfinished