1: //includes1a.cpp
3: #include <iostream>
4: #include <vector>
5: #include <algorithm>
6: using namespace std;
8: int main()
9: {
10: cout << "\nThis program illustrates the use of the STL includes() "
11: "algorithm (default\nversion) to test whether the values in a "
12: "second (sorted) range of integer\nvalues in a vector of integers "
13: "are all present in a first (sorted) range\nof integer values, "
14: "also in a vector of integers.";
15: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n');
17: int a1[] = {1, 2, 4, 8, 16, 32, 64, 128, 256, 512};
18: vector<int> v1(a1, a1+10);
20: cout << "\nHere are the contents of v1:\n";
21: for (vector<int>::size_type i=0; i<v1.size(); i++)
22: cout << v1.at(i) << " ";
23: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n');
25: int a2[] = {2, 16, 128, 512};
26: vector<int> v2(a2, a2+4);
28: cout << "\nHere are the contents of v2:\n";
29: for (vector<int>::size_type i=0; i<v2.size(); i++)
30: cout << v2.at(i) << " ";
31: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n');
33: if (includes(v1.begin(), v1.end(), v2.begin(), v2.end()))
34: cout << "\nv1 includes v2.";
35: else
36: cout << "\nv1 does not include v2.";
37: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n');
39: int a3[] = {2, 16, 128, 1024};
40: vector<int> v3(a3, a3+4);
42: cout << "\nHere are the contents of v3:\n";
43: for (vector<int>::size_type i=0; i<v3.size(); i++)
44: cout << v3.at(i) << " ";
45: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n');
47: if (includes(v1.begin(), v1.end(), v3.begin(), v3.end()))
48: cout << "\nv1 includes v3.";
49: else
50: cout << "\nv1 does not include v3.";
51: cout << "\nPress Enter to continue ... "; cin.ignore(80, '\n');
52: }