Write a program to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. Example: Input: n = 10 Outpu... ...
分类:
其他好文 时间:
2018-11-06 11:10:04
阅读次数:
145
title: ADC触摸屏 tags: ARM date: 2018 11 02 18:35:45 ADC触摸屏 [TOC] 硬件原理 s3c2440有8通道的ADC,一次同时只能查询一个通道。分为A0~A7。这里的P(positive)表示的是正的意思 | ADC通道 | | | | | | | ...
分类:
其他好文 时间:
2018-11-04 00:29:58
阅读次数:
226
Consider a positive integer N written in standard notation with k+1 digits a?i?? as a?k???a?1??a?0?? with 0≤a?i??<10for all i and a?k??>0. Then N is p ...
分类:
其他好文 时间:
2018-11-01 16:07:47
阅读次数:
160
Problem Description Given an integer n, Chiaki would like to find three positive integers x, y and z such that: n=x+y+z, x∣n, y∣n, z∣n and xyz is maxi ...
分类:
其他好文 时间:
2018-10-31 20:08:28
阅读次数:
158
Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: The given inte ...
分类:
其他好文 时间:
2018-10-31 12:32:22
阅读次数:
134
The task is simple: given any positive integer N, you are supposed to count the total number of 1's in the decimal form of the integers from 1 to N. F ...
分类:
其他好文 时间:
2018-10-27 21:19:10
阅读次数:
178
Subsequence Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 22040 Accepted: 9404 Description A sequence of N positive integers (10 < N < 10 ...
分类:
其他好文 时间:
2018-10-25 14:09:24
阅读次数:
224
Return any binary tree that matches the given preorder and postorder traversals. Values in the traversals pre and post are distinct positive integers. ...
分类:
其他好文 时间:
2018-10-25 11:16:41
阅读次数:
153
Given an array w of positive integers, where w[i] describes the weight of index i, write a function pickIndex which randomly picks an index in proport ...
分类:
其他好文 时间:
2018-10-24 10:47:42
阅读次数:
313
The cost of taking a taxi in Hangzhou is not a constant for each kilometer you travel: the first 4 kilometers costs 10 yuan (yuan is the monetary unit ...
分类:
其他好文 时间:
2018-10-23 20:56:29
阅读次数:
153