题意将n(n<=10^18)的各位数字重新排列(不允许有前导零)  求  可以构造几个mod m等于0的数字解法状压f[S][k] 表示选用的位数集合为S,mod m 为k的方案数注意不能有前导0但是这样做是有缺陷的状压本质上是将每个数按下标强行看作不同的数因此有重复统计的情况比如n=11,方案只有1种,状压会有2种根据多重集合的排列,如果一个数字出现了cnt次,那么答案会被重复计算cnt!次,答案需要除以cnt!上代码 #include<iostream> #include<cs…

题目: Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 代码: class Solution { public: int romanToInt(string s) { ; std::map<char, int> symbol_value; char symbol_ori[size] = {'M','D','C','L','X',…

Roman to Integer Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 意思就是: 给出一个罗马数字,返回其对应的整数 num( 0<=num<=3999)表示: 罗马数字范围从 0-->3999 罗马数字有: I V X L C D M 1 5 10 50 100 500 1000 Math String So…

题目: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4 -> 3) + (5 -> 6 -&…

题目: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4 -> 3) + (5 -> 6 -&…

[002-Add Two Numbers (单链表表示的两个数相加)] 原题 You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. In…

[leetcode 字符串处理]Compare Version Numbers @author:wepon @blog:http://blog.csdn.net/u012162613 1.题目 Compare two version numbers version1 and version1. If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0. You may assume…

[九度OJ]题目1442:A sequence of numbers 解题报告 标签(空格分隔): 九度OJ 原题地址:http://ac.jobdu.com/problem.php?pid=1442 题目描述: Xinlv wrote some sequences on the paper a long time ago, they might be arithmetic or geometric sequences. The numbers are not very clear now, a…

本文地址 分享提纲: 1. Java程序特点 1.1 基本语法 1.2 字符串 1.3 变量 1.4 Java数组 1.5 Java枚举 1.6 Java修饰符 1.7 Java编译制定在制定目录 2. Java面向对象 2.1 Java类和对象 2.2 类的一些注意点 2.3 Java Number类 2.4 Java Character 类 2.5 Java String 类 2.6 Java StringBuffer 和 StringBuilder 类 2.7 Java 数组 2.8 Ja…

解题: 假如现在有一堆长度大于3小于9的电话号码,用座机呼叫,如果出现这样的号码[123和12345]那么12345将永远不会被拨出,因为拨到123的时候电话已经呼出了,试写一个函数输出所有不能被呼出的电话号码[指定传入参数类型如示例所示] 函数参数示例: public void function(int [] numbers){} package JingDian; public class Pnumber { public static void main(String[] args){ i…