摘要:
Problem Description The repetition number of a string is defined as the maximum number R such that the string can be partitioned into R same consecuti 阅读全文
摘要:
Problem Description Many geometry(几何)problems were designed in the ACM/ICPC. And now, I also prepare a geometry problem for this final exam. According 阅读全文
摘要:
Description Calculate the number of toys that land in each bin of a partitioned toy box. Mom and dad have a problem - their child John never puts his 阅读全文
摘要:
zhan.jiang.ou now faced a tough problem,his english teacher quan.hong.chun gives him a string,which consists with n lower case letter,he must figure o 阅读全文
摘要:
Description H 国有 n 个城市,这 n 个城市用 n-1 条双向道路相互连通构成一棵树, 1 号城市是首都, 也是树中的根节点。 H 国的首都爆发了一种危害性极高的传染病。当局为了控制疫情,不让疫情扩散到边境 城市(叶子节点所表示的城市),决定动用军队在一些城市建立检查点,使得从首都到 阅读全文