#include <stdio.h>
template <typename T>
T add(T t1, T t2)
{
return t1 + t2;
}
class MyString
{
public:
char str1[256];
MyString(char *str)
{
strcpy(str1, str);
}
friend MyString operator+(MyString &str1, MyString& str2)
{
strcat(str1.str1, str2.str1);
return str1;
}
MyString operator+=(MyString& str2)
{
strcat(str1, str2.str1);
return *this;
}
};
int main (void)
{
// cout<< add(5.2, (double)4) << endl;
MyString s1("haha"), s2("hoho");
// s1 + s2;
s1 += s2;
printf("%s\n", s1.str1);
return 0;
}
#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
using namespace std;
int myfind()
{
/*
#define SIZE 100
int iarray[SIZE];
iarray[20] = 50;
int* ip = find(iarray, iarray + SIZE, 50);
if (ip == iarray + SIZE)
cout << "50 not found in array" << endl;
else
cout << *ip << " found in array" << endl;
return 0;
*/
vector<int> intVector(100);
intVector[20] = 50;
vector<int>::iterator intIter =
find(intVector.begin(), intVector.end(), 50);
if (intIter != intVector.end())
cout << "Vector contains value " << *intIter << endl;
else
cout << "Vector does not contain 50" << endl;
return 0;
}
long print(long d)
{
cout << d << ' ';
return 0;
}
long mysort()
{
vector<long> vec;
vec.push_back(10);
vec.push_back(5);
vec.push_back(11);
vec.push_back(6);
long si = vec.size();
vector<long>::iterator It;
// sort()
// sort(vec.begin(), vec.end());
for (int i = 0; i < vec.size(); vec.front(), i++)
{
printf("%d\t", vec.at(i));
}
cout << endl;
sort(vec.begin(), vec.end());
// sort(It.begin(), It.end());
for_each(vec.begin(), vec.end(), print);
cout << endl;
printf("%d\n", si);
return 0;
}
int main ()
{
mysort();
myfind();
return 0;
//第一种运用方法：定义一个int类型的迭代器
istream_iterator<int> start_cin(cin);
istream_iterator<int> end_of_cin;
vector<int> v;
cout << "Enter sequance of integers "
<< "(d - quit) : ";
copy(start_cin,end_of_cin,back_inserter(v));
for ( vector<int>::iterator It = v.begin();
It != v.end(); It++ )
cout << *It << " - ";
cout << endl;
//第二种方法：定义一种string类型的迭代器
vector<string> vS;
cout << "Enter three strings : ";
for ( int i = 0; i < 3; i++ )
vS.push_back(*istream_iterator<string>(cin));
ostream_iterator<string> sIt(cout,", ");
copy(vS.begin(),vS.end(),sIt);
cout << endl;
return 0;
}
http://net.pku.edu.cn/~yhf/UsingSTL.htm
http://topic.csdn.net/t/20050512/22/4002702.html
