You must know that the order appeared in our problemset doesn't necessarily show the diffculty of the problem itself. Following is an incomplete list of easy problems in our problemset, which are all free of specific data structure or algorithm knowledges. However, we don't recommend you to use it, since finding easy problems in problemset is also an important skill.
Still there are some people want this, so if you really want to see, press "Ctrl+A"....


A+B Problem
Number lengths
HangOver
Number Triangle
Beavergnaw
Duplicate Pair
无归之室
猫捉老鼠
飞船赛
Simple Computer
Rectangles
URLs
Ackermann Function
Lotto
Sum of Factorials
Game Prediction
Mileage Bank
Farmer Bill's Problem
Easy Task
Tiling
Crossed ladders
Conic distance
Peter's smokes
Tullia and Chocolate II
Average is not Fase Enough
Etaoin Shrdlu
Argus
Ride to School
The Peanuts
小鼠迷宫问题