http://community.topcoder.com/tc?module=Static&d1=tutorials&d2=alg_index
http://www.codechef.com/wiki/tutorials
http://comeoncodeon.wordpress.com
http://sites.google.com/site/smilitude/tutorials
http://one-problem-a-day.blogspot.com/
http://isolvedaproblem.blogspot.com/
http://problem-solving-notes.blogspot.com/
http://petr-mitrichev.blogspot.com/
http://www.personal.kent.edu/~rmuhamma/
Thanks a lot!