yangyongde2002的专栏

昨天开始学unix c++编程。自己输了个最简单的"hello world"程序，结果运行却不显示结果。 搞了半天，终于发现是输出文件的文件名的问题。 我的源文件"test.cxx"，内容如下：#include using namespace std;int main(){        cout         printf("abc/

CVS (Concurrent Versions System) is  aversion control system.CVS can help people who work on the same project at the same time, and it can save every version of your software you have ever created w

newline /nvertical tab /vbackspace /bcarriage return /rformfeed /falert (bell) /abackslash //question mark /?single quota /doulbe quota /"

A const reference is a reference that may refer to a const object. const reference is reference to const. nonconst reference is reference to a nonconst type.   A nonconst reference may

An enumeration is defined using the enum keyword, followed by an optional enumeration name, and a comma-separated list of enumerators enclosed in braces. By default, the first element is assigned th

比较幸运，尝试了几次就OK了。 g++ -c file_1.cppg++ -c file_2.cppg++ -c file_3.cpp g++ -o file_4.out file_1.o file_2.o file_3.o file_4.cpp  参考文献：http://homepages.gac.edu/~mc38/2001J/documentation/g

string s;cin >> s;  The string input operator: 1. Reads and discards any leading whitespace (e.g., spaces, newlines, tabs) 2. It then reads characters until the next whitespace character is

s.empty() s.size()s[n]s1 + s2s1 = s2s1 == s2!=, , >=

当初写日志，只是为了记录一下自己所做的事情，没想到会有别人来看。所以没有任何的解释，只是胡乱写了些东西。其实问题很简单，题目已经说明一切，错误就是越界，仔细检查代码，找出什么地方可能会越界就行了昨天运行程序时，突然出现了如题所述的错误。错误很明显，vector的下标越界了，但是之前一直没有什么问题啊，于是我仔细读代码，debug，然后拿出前天能运行的程序，依然会出现这个错误