c 2b 2b iterate over vector

1std::vector<int> vec_of_ints(10, 1); // 10 ints all with value 1
2for (int i : vec_of_ints) {          // use auto for more complex types
3 	std::cout << vec_of_ints.at(i) << " "; 
4}
5std::cout << std::endl;

1vector<int> myVector;
2
3myVector.push_back(1);
4myVector.push_back(2);
5myVector.push_back(3);
6myVector.push_back(4);
7
8for(auto x: myVector){
9	cout<< x << " ";
10
11}
12
13vector<pair<int,int>> myVectorOfPairs;
14
15myVectorOfPairs.push_back({1,2});
16myVectorOfPairs.push_back({3,4});
17myVectorOfPairs.push_back({5,6});
18myVectorOfPairs.push_back({7,8});
19
20for(auto x: myVectorOfPairs){
21	cout<< x.first << " " << x.second << endl;
22
23}
24
25
26
27
28
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30

1for(auto const& value: a) {
2     /* std::cout << value; ... */
3}

1for (auto & element : vector) {
2    element.doSomething ();
3}

1vector<int> vi;
2...
3for(int i : vi) 
4  cout << "i = " << i << endl;

1for(std::vector<T>::size_type i = 0; i != v.size(); i++) {
2    v[i].doSomething();
3}