Hamming Distance Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1051 Accepted Submission(s): 396 Problem Description (From wikipedia) For binary strings a and b the Hamming distance is equal to t…

link:http://acm.hdu.edu.cn/showproblem.php?pid=4712 题意:给1e5个数字,输出这些数中,最小的海明码距离. 思路:距离的范围是0到20.而且每个数的数位都很有限的,然后一言不合开始 随机.随机算法虽然挺惊艳的,不过求随机算法成功概率,臣妾做不到啊! 总之,遇上暴力很难得到优化,但AC掉一片的题,随机算法这样的奇策应当信手 拈来!这是强大洞察之力的体现~ #include <iostream> #include <algorithm>…

中文意思不解释. 很水,我本来想用switch处理字符串,然后编译不通过...原来switch只能处理整数型的啊,我都忘了. 然后就有了很挫的一大串if代码了... 代码: #include <iostream> #include <string> using namespace std; int digit(string str) { if (str == "zero") return 0; if (str == "one") return…

  Time Limit: 1000MS   Memory Limit: 32768KB   64bit IO Format: %I64d & %I64u Submit Status Description 读入两个小于10000的正整数A和B,计算A+B.需要注意的是:如果A和B的末尾K(不超过8)位数字相同,请直接输出-1.    Input 测试输入包含若干测试用例,每个测试用例占一行,格式为"A B K",相邻两数字有一个空格间隔.当A和B同时为0时输入结束,相应的结果…

美素数 Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 853    Accepted Submission(s): 329 Problem Description 小明对数的研究比较热爱,一谈到数,脑子里就涌现出好多数的问题,今天,小明想考考你对素数的认识. 问题是这样的:一个十进制数,如果是素数,而且它的各位数字和也是素数,则称之为…

Lweb and String Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 261    Accepted Submission(s): 174 Problem Description Lweb has a string S. Oneday, he decided to transform this string to a new s…

The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs of the given numbers. Example: Input: 4, 14, 2 Output: 6 Explanat…

题目: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanatio…

原题链接在这里:https://leetcode.com/problems/total-hamming-distance/ 题目: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs…

原题链接在这里:https://leetcode.com/problems/hamming-distance/ 题目: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y …