原创 golang 性能剖析pprof
golang 性能剖析pprof pprof 簡介 pprof 是用於可視化和分析性能分析數據的工具. 功能 CPU Profiling：CPU 分析, 按照一定的頻率採集所監聽的應用程序 CPU（含寄存器）的使用情況, 可確定
2020-06-13 09:19:57
原创 linux系統調用
無論別人寫的程序(shell命令等)，還是自己寫的程序，運行起來都是進程。進程的運行就需要系統調用。 進程管理 運行前先要創建進程，創建進程的系統調用爲fork。在linux中，要創建一個新的進程需要一個老進程調用fork來實現，
2019-09-05 20:16:18
11
原创 求解數獨
我的代碼 package main import ( "fmt" ) func main() { //board := [][]byte{{'5', '3', '.', '.', '7', '.', '.', '.', '.'}
2019-04-04 20:29:50
原创 search in rotated sorted array
題目 Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7
2019-03-29 20:28:17
原创 longest valid parentheses
題目 Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parent
2019-03-29 20:28:17
1
原创 substring with concatenation of all words
題目 You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of
2019-03-27 20:27:34
原创 reverse nodes in k group
題目 Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. k is a positive in
2019-03-26 20:23:40
原创 roman to integer
題目 Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I
2019-03-16 20:23:11
原创 Integer to Roman
題目 Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I
2019-03-15 20:31:35
原创 Container With Most Water
題目 Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical line
2019-03-14 19:43:24
原创 正則表達式匹配 (Regular Expression Matching )
題目 Given an input string (s) and a pattern (p), implement regular expression matching with support for '.' and '*'. '.
2019-03-14 19:43:24
原创 迴文數字(Palindrome Number)
題目 Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward.
2019-02-23 23:36:49
原创 最長無重複公共子串
題目： Longest Substring Without Repeating Characters：Given a string, find the length of the longest substring without rep
2018-12-25 23:43:30
原创 兩個有序數組中位數
題目 4. Median of Two Sorted Arrays There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the me
2018-12-25 23:43:30
原创 兩數相加（Add Two Numbers）
題目 You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse or
2018-12-25 23:43:30