http://codeforces.me/problemset/tags/dp?order=BY_SOLVED_DESC , It contains the dp problems sorted by most solved, i.e very basic to very hard.
Hope it helps.

http://codeforces.me/problemset/tags/dp?order=BY_SOLVED_DESC

12455 — Bars

10003 — Cutting Sticks

674 — Coin Change

562 — Dividing coins

10130 — SuperSale

10664 — Luggage

357 — Let Me Count The Ways

10943 — How do you add?

10684 — The jackpot

These all are primary level DP problem. I think it will help you..Happy Coding :)

Easy once you have hand on dp :P ..... (y) 543A — Writing Code

Here are 668 problems sorted by difficulty and from different online judges :)

Я извиняюсь, что на русском, но ты не пробовал гуглить? Таких постов десятки на cf

Try this site. It's really helpful. You can find problems from different categories with their difficulty. http://a2oj.com/Categories.jsp