Question

wheres a good place to practice problem solving skills

Answer 1

http://projecteuler.net/

Answer 2

honestly, how often do you work on these problems from this site

Answer 3

That's a good site! I've done 40 problems or so and it's good fun.

Answer 4

i only work on them once - one at a time

Answer 5

The GILD post programming challenges you can enter. It's the same as all the others in principle, a simple Online Judge, but you get leaderboards and stuff I think. It's easy to find if you look for it.