Fun with Vectors

/* Fun WIth Vectors by Bruce Elenbogen Writing some functions with Vectors */ #include <iostream> #include <algorithm> // for sort, next_permutation #include <vector> #include <string> using namespace std; template<class T> void printVec(vector<T> collection){ /* for (unsigned int i = 0; i < collection.size(); i++) cout << collection[i] << endl; */ for(auto item : collection) cout << item ; } int main(){ vector<string> words = { "cat", "dog", "fish", "horse", "bird", "dragon", "gopher", "sheep" }; vector<char> characters = { 'A', 'C', 'M', 'Y' }; vector<int> nums(10); // makes a vector of 10 values 0 - 9 vector<double> reals(10, 2.0); // makes a vector of size 10 al set to 2.0 /* to add an element to a vector you can use insert(iterator); to remove an element from a vector you can use delete(iterator); clear(); removes everything from the vector */ string word; int count = 0; //int howMany; //cout << "enter how many strings to add : "; //cin >> howMany; //words.resize(howMany); // allocates space for resize number of elements /*cout << "enter a string to store and stop to stop "; cin >> word; while (word != "stop") { words.push_back(word); cout << "enter a string to store and stop to stop "; cin >> word; }*/ cout << "before sorted:\n"; //printVec(words); sort(words.begin(), words.end()); cout << "after sorting:\n"; cout << "the first word is : "<< *words.begin() << endl; //cout << "the first address is : " << (int) words.begin() << endl; //printVec(words); do{ cout << count++ << " "; printVec(characters); cout << endl; } while (next_permutation(characters.begin(), characters.end()-2)); return 0; } /* ABCDE BACED EABCD ABCDE ABCED ABDCE ABDEC ABE : EDCBA */