数组/向量C ++推送？

Question

I need to create a keyed array that I can push data to.

I need to store id and time, and on an event push a new id and time to the array.

After a look around, many people have suggested vectors.

I'm not sure how I would implement it though, having two keys, and how to push to them?

If anyone could help?

Answer 1

Use a std::vector of std::pair<T,U> , where T and U are suitable data types for the id and the time.

For example:

std::vector<std::pair<int, long> > v;
v.push_back(std::make_pair(1, 2L));
v.push_back(std::make_pair(1, 2L));
v.push_back(std::make_pair(2, 2L));