Week 1

Average speed

http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=121&page=show_problem&problem=1222

Tic Tac Toe Easy

http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1304

Tic Tac Toe harder

http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2670

Ant on chessboard;

http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=99&page=show_problem&problem=1102

magic trick

http://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1919