【文件属性】：
文件名称：C++标准库使用范例
文件大小：734KB
文件格式：DOC
更新时间：2013-12-10 12:37:36
STL ,C++
/**************************
*范例编号:17_39
*范例说明:演示 unique 的
* 功能与使用方法
***************************/
#include
#include
#include
#include
#include
using namespace std;
bool mod_equal ( int elem1, int elem2 )
{
if ( elem1 < 0 )
elem1 = - elem1;
if ( elem2 < 0 )
elem2 = - elem2;
return elem1 == elem2;
};
int main( )
{
vector v1;
vector ::iterator v1_Iter1, v1_Iter2, v1_Iter3,
v1_NewEnd1, v1_NewEnd2, v1_NewEnd3;
int i;
for ( i = 0 ; i <= 3 ; i++ ) {
v1.push_back( 5 );
v1.push_back( -5 );
}
int ii;
for ( ii = 0 ; ii <= 3 ; ii++ ) {
v1.push_back( 4 );
}
v1.push_back( 7 );
cout << "向量 v1=( " ;
for ( v1_Iter1 = v1.begin( ) ; v1_Iter1 != v1.end( ) ; v1_Iter1++ )
cout << *v1_Iter1 << " ";
cout << ")." << endl;
v1_NewEnd1 = unique ( v1.begin ( ) , v1.end ( ) );
cout << "除去相连等价元素后 v1= ( " ;
for ( v1_Iter1 = v1.begin( ) ; v1_Iter1 != v1_NewEnd1 ; v1_Iter1++ )
cout << *v1_Iter1 << " ";
cout << ")." << endl;
v1_NewEnd2 = unique ( v1.begin ( ) , v1_NewEnd1 , mod_equal );
cout << "在 mod_equal 意义下，除去相连等价元素后 v1= ( " ;
for ( v1_Iter2 = v1.begin( ) ; v1_Iter2 != v1_NewEnd2 ; v1_Iter2++ )
cout << *v1_Iter2 << " ";
cout << ")." << endl;
v1_NewEnd3 = unique ( v1.begin ( ) , v1_NewEnd2, greater( ) );
cout << "在大于意义下，除去相连等价元素后 v1= ( " ;
for ( v1_Iter3 = v1.begin( ) ; v1_Iter3 != v1_NewEnd3 ; v1_Iter3++ )
cout << *v1_Iter3 << " ";
cout << ")." << endl;
}
