Archives: The NUMBERS

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LeetCode4:Add Two Numbers

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 -&

[LeetCode] Consecutive Numbers 连续的数字

Write a SQL query to find all numbers that appear at least three times consecutively. +----+-----+ | Id | Num | +----+-----+ | 1 | 1 | | 2 | 1 | | 3 | 1 | | 4 | 2 | | 5 | 1 | | 6 | 2 | | 7 | 2 | +----+-----+ For example, given the above Logs table, 1

LeetCode 第 165 题(Compare Version Numbers)

LeetCode 第 165 题(Compare Version Numbers) Compare two version numbers version1 and version2. If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0. You may assume that the version strings are non-empty and contain onl

Leetcode 2:Add Two Numbers

Problem 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 ->

[2016-04-14][codeforces][630][C][ Lucky Numbers]

时间:2016-04-14 23:12:27 星期四 题目编号:[2016-04-14][codeforces][630][C][ Lucky Numbers] 题目大意: 问n位数字以内的幸运数字有多少个 幸运数字:只含有7,8的数字 分析: 长度为i 的幸运数字,每一位有两种可能,7 , 8,那么长度为i的幸运数字总共有 $2^i$中可能 那么长度为n 以内的所有幸运数字 就是 $2^1 + 2^2 + - + 2^n$, #include<cstdio> using namespace

LeetCode - Bitwise AND of Numbers Range

Bitwise AND of Numbers Range 2015.4.17 06:30 Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive. For example, given the range [5, 7], you should return 4. Solution: Make it fast an

LeetCode Database: Consecutive Numbers

Consecutive Numbers Write a SQL query to find all numbers that appear at least three times consecutively. +----+-----+ | Id | Num | +----+-----+ | 1 | 1 | | 2 | 1 | | 3 | 1 | | 4 | 2 | | 5 | 1 | | 6 | 2 | | 7 | 2 | +----+-----+ For example, given the

一起刷LeetCode2-Add Two Numbers

今天看不进去论文,也学不进去新技术,于是先把题刷了,一会补别的. -----------------------------------------------------我才不是分割线------------------------------------------------- Add Two Numbers You are given two linked lists representing two non-negative numbers. The digits are stored

数据结构练习 00-自测4. Have Fun with Numbers (20)

Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 246913578, which happens to be another 9-digit number consisting exactly the numbers from 1 to 9, only in a

LeetCode 2 - Add Two Numbers ( JAVA )

Difficulity : 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

Codeforces Beta Round #51 D. Beautiful numbers 数位dp

D. Beautiful numbers Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/55/problem/D Description Volodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number is beautiful if and only i

OpenJudge/Poj 1316 Self Numbers

1.链接地址: http://poj.org/problem?id=1316 http://bailian.openjudge.cn/practice/1316 2.题目: 总时间限制: 1000ms 内存限制: 65536kB 描述 In 1949 the Indian mathematician D.R. Kaprekar discovered a class of numbers called self-numbers. For any positive integer n, define

HDU 5505——GT and numbers——————【素数】

GT and numbers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 683 Accepted Submission(s): 190 Problem Description You are given two numbers N and M. Every step you can get a new N in the way that

【JAVA、C++】LeetCode 002 Add Two Numbers

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 ->

Add two numbers [LeetCode]

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 ->