泛型算法之copy,back_inserter
Xredman
posted @ Jun 14, 2009 09:57:12 AM
in 以前博文
, 2741 阅读
#include <iostream>
#include <algorithm>
#include <vector>
#include <list>
using namespace std;
const int N = 10;
int main()
{
vector<int> v1, v2;
vector<int>::iterator p;
v1.clear(); v2.clear();
for(int i = 1; i <= 10; i++)
v1.push_back(i);
copy(v1.begin(), v1.end(), back_inserter(v2));
//copy算法把一对iterator当做二个参数，用其标记要拷贝的元素范围，
//第三个实参是一个iterator，标记要拷贝元素将被放置的起始位置
//back_inserter被称作iterator适配器;使元素被插入到作为实参的vector的尾部。
p = v2.begin();
while(p != v2.end())
cout<<*p++<<endl;
return 0;
}
#include <algorithm>
#include <vector>
#include <list>
using namespace std;
const int N = 10;
int main()
{
vector<int> v1, v2;
vector<int>::iterator p;
v1.clear(); v2.clear();
for(int i = 1; i <= 10; i++)
v1.push_back(i);
copy(v1.begin(), v1.end(), back_inserter(v2));
//copy算法把一对iterator当做二个参数，用其标记要拷贝的元素范围，
//第三个实参是一个iterator，标记要拷贝元素将被放置的起始位置
//back_inserter被称作iterator适配器;使元素被插入到作为实参的vector的尾部。
p = v2.begin();
while(p != v2.end())
cout<<*p++<<endl;
return 0;
}
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