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#include <vector>
#include <iostream>
using namespace std;
int main(){
vector<int> ivec;
for (int i=0;i<20;i++)
{
ivec.push_back(i);
}
vector<int>::iterator st,en;
st=++ivec.begin();//st位置的元素会被删除
en=--ivec.end();//注意 en所指的元素不会被删除
ivec.erase(st,en);
...
- 2010-01-04 20:02
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#include <iostream>
#include <vector>
using namespace std;
template<typename T1, typename T2>
T1 findValue(T1 beg,T1 end, T2 val)
{
while (beg!=end)
{
if (*beg==val)
{
break;
}
else
{
++beg;
}
}
return beg;
}
int main_9_13()
{
int ia[]={0 ...
- 2010-01-04 11:12
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#include <list>
#include <deque>
#include <iostream>
using namespace std;
int main_9_18()
{
//定义并初始化一个list容器
list<int> ilst;
for (int i=0;i<41;i++)
{
ilst.push_back(i);
}
//奇数复制到dqu1,偶数复制到dqu2
deque<int> dqu1,dqu2;
list<int>::iterator it= ...
- 2010-01-04 11:06
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#include <vector>
#include <list>
#include <deque>
#include <iostream>
using namespace std;
//判断两个容器内的元素的值是否完全相同
template<typename T1,typename T2>
bool is_equal(const T1 &t1,const T2 &t2)
{
if (t1.size()!=t2.size())
{
return false;
}
T1::const_ ...
- 2010-01-04 11:03
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下面是简单工厂的那个例子的C++实现，参考了网上的一个Word文档，vs2005测试，留作备份
#include <iostream>
using namespace std;
//运算类
class COperation
{
public:
int m_nFirst;
int m_nSecond;
virtual double GetResult()
{
double result=0;
return result;
}
};
//加法
class CAddOperation:public COperation
{
public ...
- 2010-01-02 21:51
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#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
int fileToVector(string fileName,vector<string> &svec)
{
ifstream inFile(fileName.c_str());
if(!inFile)//打开文件失败
return 1;
string s ...
- 2010-01-02 16:09
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#include <iostream>
#include <fstream>
#include <string>
#include <vector>
using namespace std;
int fileToVector(string fileName,vector<string> &svec)
{
ifstream inFile(fileName.c_str());
if(!inFile)//打开文件失败
return 1;
string s;
while(inFile>>s) ...
- 2010-01-02 13:36
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#include <iostream>
#include <fstream>
#include <string>
#include <vector>
using namespace std;
int fileToVector(string fileName,vector<string> &svec)
{
ifstream inFile(fileName.c_str());
if(!inFile)//打开文件失败
return 1;
string s;
while(getline(inFile,s ...
- 2010-01-02 13:26
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getline
function <string>
istream& getline ( istream& is, string& str, char delim );
istream& getline ( istream& is, string& str );
Get line from stream
Extracts characters fromisand stores them intostruntil a delimitation character is found.
从 ...
- 2010-01-02 12:23
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//*********************************
//习题8.6
//*********************************
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
std::istream& get(std::istream &in)
{
int ival;//注意这里定义的为int
while (in>>ival,!in.eof())//注意逗号表达式，前一 ...
- 2010-01-02 11:18
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//*********************************
//习题8.3 8.4
//*********************************
#include <iostream>
using namespace std;
std::istream& get(std::istream &in)
{
int ival;
while (in>>ival,!in.eof())//注意逗号表达式，前一个的返回值被忽略了
{
if (in.bad())//出现系统级故障
{
throw s ...
- 2010-01-02 09:47
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习题3.18的实现和测试代码
#include <iostream>
#include <vector>
using namespace std;
int main()
{
//实现
vector<int> ivec(20,20);
vector<int>::iterator piter=ivec.begin();
while (piter!=ivec.end())
{
*piter=*piter*2;
piter++;
}
//debug
unsigned int cnt=0;
fo ...
- 2010-01-01 12:40
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习题3.13的迭代器版本：
#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int> ivec;
int ival;
//读入数据到vector对象
cout<<"Enter number:"<<endl;
while (cin>>ival)
{
ivec.push_back(ival);
}
//计算相邻元素和并输出
if (ivec.size ...
- 2010-01-01 11:14
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//***********************************
//习题 3.14
//***********************************
#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main()
{
vector<string> svec;
string str;
//read txt into sevc
cout<<"Enter text(Ct ...
- 2009-12-31 21:29
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#include <vector>
#include <iostream>
using std::vector;
using std::cout;
using std::endl;
int main(){
int iarry[]={1,2,5,6,3,2,6,4,2,4,5,55,4,7,45,1,98};
vector<int> iVec;
//读入iVec中
int cnt=sizeof(iarry)/sizeof(int);
for (int i=0;i<cnt;++i)
{
iVec.push_back(i ...
- 2009-12-31 20:57
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