卖程序的小歪

摘要： Given an array nums of integers and an int k, partition the array (i.e move the elements in "nums") such that:All elements < k are moved to the leftA... 阅读全文

摘要： Given an integer array, find a subarray where the sum of numbers is zero. Your code should return the index of the first number and the index of the ... 阅读全文

摘要： Given two strings, find the longest common substring. Return the length of it. Have you met this question in a real interview? Yes Example Given A = ... 阅读全文

摘要： Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n. For example, given n = 12... 阅读全文

摘要： Follow up for H Index: What if the citations array is sorted in ascending order? Could you optimize your algorithm? Hint:Expected runtime complexity... 阅读全文

摘要： Given an array of citations (each citation is a non negative integer) of a researcher, write a function to compute the researcher's h index. Accordin... 阅读全文

摘要： 报文 状态 从wiki上搬运过来 重要参数 RTT（Round Trip Time） 即链路传输延时，从数据发送到达对端并受到对端ack的一次来回时间。由于TCP是依赖报文确认机制来实现传输的可靠性的，因而RTT对TCP传输有非常大得影响。 BDP（Bandwidth Delay ... 阅读全文

摘要： 参考 百度百科内存对齐 对齐作用 可以使得以最少的次数将操作数加载到寄存器中，如果数据没有对齐，则当CPU以最小读取数据大小从内存读入数据时可能只取到了一部分数据，而对齐情况下可以一次读入。 对齐修改 在程序中可以通过 指定对齐大小，x即为需要指定的对齐大小。默认情况下32位平台采用4字节对齐... 阅读全文

摘要： >Write a program to check whether a given number is an ugly number.Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For exa... 阅读全文

摘要： >Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array.For example,Given nums = [0, 1, ... 阅读全文