随笔档案「2015年10月」 - cnxo

HDOJ 2212 DFS

摘要：Problem Description A DFS(digital factorial sum) number is found by summing the factorial of every digit of a positive integer. For example ,... 阅读全文

posted @ 2015-10-31 14:31 cnxo 阅读(138) 评论(0) 推荐(0)

POJ 2260（ZOJ 1949） Error Correction 一个水题

摘要：DescriptionA boolean matrix has the parity property when each row and each column has an even sum, i.e. contains an even number of bits which... 阅读全文

posted @ 2015-10-30 20:37 cnxo 阅读(233) 评论(0) 推荐(0)

HDOJ 1716 排列2 next_permutation函数

摘要：Problem Description Ray又对数字的列产生了兴趣：现有四张卡片，用这四张卡片能排列出很多不同的4位数，要求按从小到大的顺序输出这些4位数。Input 每组数据占一行，代表四张卡片上的数字（0#include#includeint a[6],vis[5],t,s... 阅读全文

posted @ 2015-10-30 13:48 cnxo 阅读(161) 评论(0) 推荐(0)

POJ 1159 Palindrome 最长公共子序列的问题

摘要：Description A palindrome is a symmetrical string, that is, a string read identically from left to right as well as from right to left. You ar... 阅读全文

posted @ 2015-10-29 14:03 cnxo 阅读(146) 评论(0) 推荐(0)

HDOJ 1032（POJ 1207） The 3n + 1 problem

摘要：DescriptionProblems in Computer Science are often classified as belonging to a certain class of problems (e.g., NP, Unsolvable, Recursive). I... 阅读全文

posted @ 2015-10-26 19:01 cnxo 阅读(133) 评论(0) 推荐(0)

HDOJ 2030 汉字统计

摘要：Problem Description 统计给定文本文件中汉字的个数。Input 输入文件首先包含一个整数n，表示测试实例的个数，然后是n段文本。Output 对于每一段文本，输出其中的汉字的个数，每个测试实例的输出占一行。[Hint:]从汉字机内码的特点考虑~Sample Inp... 阅读全文

posted @ 2015-10-26 18:55 cnxo 阅读(159) 评论(0) 推荐(0)

HDOJ 1312 (POJ 1979) Red and Black

摘要：Problem Description There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a ... 阅读全文

posted @ 2015-10-26 18:51 cnxo 阅读(136) 评论(0) 推荐(0)

POJ 1503 Integer Inquiry 简单大数相加

摘要：DescriptionOne of the first users of BIT’s new supercomputer was Chip Diller. He extended his exploration of powers of 3 to go from 0 to 333 ... 阅读全文

posted @ 2015-10-24 13:59 cnxo 阅读(174) 评论(0) 推荐(0)

POJ 1936 All in All

摘要：DescriptionYou have devised a new encryption technique which encodes a message by inserting between its characters randomly generated strings... 阅读全文

posted @ 2015-10-23 18:42 cnxo 阅读(137) 评论(0) 推荐(0)