// 
// alg-examp.cpp: example code using <algorithm>
//

#include <cstdlib>
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

void dump(int i) { cout << i << ' '; }
bool odd(int i)  { return i % 2 == 1; }
bool greaternum(const int &a, const int &b) { return a > b; }

int main()
{
   vector<int> v(10);                      // 10 integers
   generate(v.begin(), v.end(), rand);     // fill with random numbers
   cout << "Original list: ";
   for_each(v.begin(), v.end(), dump);     // print original
   cout << endl;
   replace_if(v.begin(), v.end(), odd, 0); // replace odds by 0
   sort(v.begin(), v.end(), greaternum);   // sort descending
   cout << "New list: ";
   for_each(v.begin(), v.end(), dump);     // print new
   cout << endl;
   return 0;
}

// output (on laptop):
//  Original list: 41 18467 6334 26500 19169 15724 11478 29358 26962 24464 
//  New list: 29358 26962 26500 24464 15724 11478 6334 0 0 0