C++ examples for STL Algorithm:copy
Using iterators for copy() algorithm
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main()/*from www. ja v a 2 s. co m*/ { int beginRange, endRange; int arr[] = { 11, 13, 15, 17, 19, 21, 23, 25, 27, 29 }; vector<int> v1(arr, arr+10); // initialized vector vector<int> v2(10); // uninitialized vector cout << "Enter range to be copied (example: 2 5): "; cin >> beginRange >> endRange; vector<int>::iterator iter1 = v1.begin() + beginRange; vector<int>::iterator iter2 = v1.begin() + endRange; vector<int>::iterator iter3; // copy range from v1 to v2 iter3 = copy( iter1, iter2, v2.begin() ); // (it3 -> last item copied) iter1 = v2.begin(); // iterate through range while(iter1 != iter3) // in v2, displaying values cout << *iter1++ << ' '; cout << endl; return 0; }