Problem A: Bear and Raspberry(385A)
Problem B: Bear and Strings(385B)
Problem C: Bear and Prime Numbers (385C)
Problem D: Bear and Floodlight(385D)
Problem E: Bear in the Field (385E)
CodeForces Round #226 (Div. 2)
原文：http://blog.csdn.net/keshuai19940722/article/details/18882617