Data Abstraction and Problem Solving with C++ Walls and Mirrors by Frank M. Carrano
Text Home Text Errata	example640.cpp Go to the documentation of this file. #include <set> #include <iostream> #include <string> #include <algorithm> using namespace std; int main() { // declares three sets set<string> checkingAccounts; set<string> savingAccounts; set<string> bankAccounts; // declare a set iterator set<string>::const_iterator i; // insert customers with checking accounts checkingAccounts.insert("Marlow"); checkingAccounts.insert("Johnson"); checkingAccounts.insert("Garner"); checkingAccounts.insert("Smith"); // print checking account customers cout << "Checking accounts: " << endl; for (i = checkingAccounts.begin(); i != checkingAccounts.end(); ++i) { cout << *i << " "; } // end for cout << endl << endl; // insert customers with savings accounts savingAccounts.insert("Johnson"); savingAccounts.insert("Abbott"); savingAccounts.insert("Stricker"); savingAccounts.insert("Marlow"); // print saving account customers cout << "Savings accounts: " << endl; for (i = savingAccounts.begin(); i != savingAccounts.end(); ++i) { cout << *i << " "; } // end for cout << endl << endl; // Union of checking and savings accounts // The inserter is an output iterator that inserts elements // into a set before printing the set // set_union(checkingAccounts.begin(), checkingAccounts.end(), savingAccounts.begin(), savingAccounts.end(), inserter(bankAccounts,bankAccounts.begin())); cout << "All bank customers: " << endl; for (i = bankAccounts.begin(); i != bankAccounts.end(); ++i) { cout << *i << " "; } // end for cout << endl << endl; // Erase all elements of the result set for the next operation bankAccounts.erase(bankAccounts.begin(), bankAccounts.end()); // Intersection of checking and saving accounts set_intersection(checkingAccounts.begin(), checkingAccounts.end(), savingAccounts.begin(),savingAccounts.end(), inserter(bankAccounts,bankAccounts.begin())); cout << "Customers with checking and savings accounts: " << endl; for (i = bankAccounts.begin(); i != bankAccounts.end(); ++i) { cout << *i << " "; } // end for cout << endl; return 0; } // end main

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