Call min() with special comparison function
/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
*
* (C) Copyright Nicolai M. Josuttis 1999.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
#include <algorithm>
#include <iostream>
using namespace std;
/* function that compares two pointers by comparing the values to which they po
int
*/
bool int_ptr_less (int* a, int* b)
{
return *a < *b;
}
int main()
{
int x = 17;
int y = 42;
int* px = &x;
int* py = &y;
int* pmin;
// call min() with special comparison function
pmin = min (px, py, int_ptr_less);
cout << *pmin;
//...
}17
min
#include <iostream>
using std::cout;
using std::endl;
#include <algorithm>
int main()
{
cout << "\nThe minimum of "G" and "Z" is: " << std::min( "G", "Z" );
cout << "\nThe minimum of 12 and 7 is: " << std::min( 12, 7 );
cout << endl;
return 0;
}The minimum of "G" and "Z" is: G
The minimum of 12 and 7 is: 7
Use max and min functions
#include <algorithm>
#include <iostream>
using namespace std;
int main(int argc, char** argv)
{
int x = 4, y = 5;
cout << "x is " << x << " and y is " << y << endl;
cout << "Max is " << max(x, y) << endl;
cout << "Min is " << min(x, y) << endl;
swap(x, y);
cout << "x is " << x << " and y is " << y << endl;
cout << "Max is " << max(x, y) << endl;
cout << "Min is " << min(x, y) << endl;
return (0);
}