2015年5月10日
URAL1081——DP—— Binary Lexicographic Sequence
摘要： DescriptionConsider all the sequences with length (0#include#includeusing namespace std;int dp[45][2];int main(){ int n,k; dp[1][0] = dp[1][1]= ... 阅读全文
posted @ 2015-05-10 20:41 Painting、时光 阅读(193) 评论(0) 推荐(0)
URAL1635——DP+回溯——Mnemonics and Palindromes
摘要： DescriptionThe student Vasechkin was terribly unlucky at his oral examination. Of 42 examination questions, he didn't prepare only the last one, and h... 阅读全文
posted @ 2015-05-10 19:58 Painting、时光 阅读(200) 评论(0) 推荐(0)
URAL1152——状态压缩+DP——False Mirrors
摘要： DescriptionBackgroundWe wandered in the labyrinth for twenty minutes before finally entering the large hall. The walls were covered by mirrors here as... 阅读全文
posted @ 2015-05-10 14:35 Painting、时光 阅读(152) 评论(0) 推荐(0)