백트래킹 썸네일형 리스트형 Vase collection http://acm.pku.edu.cn/JudgeOnline/problem?id=1632 Description Mr Cheng is a collector of old Chinese porcelain, more specifically late 15th century Feng dynasty vases. The art of vase-making at this time followed very strict artistic rules. There was a limited number of accepted styles, each defined by its shape and decoration. More specifically, there were 36 vase shapes and 36 different patter.. 더보기 이전 1 다음