What Is the Difference Between the Iterators Defined Here

question 18

Essay

What is the difference between the iterators defined here.
vector<int> vec;
//put 10 values into vec
const vector<int>::iterator p = vec.begin);
vector<int>::const_iterator q = vec.begin);

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Definitions:

Prisons

Institutions designed to securely house individuals who have been convicted of crimes, as part of the criminal justice system.

Poorhouses

Institutions operated by local governments to house and provide for the poor, elderly, and infirm who had no means to support themselves.

Incurable Social Ills

Reference to societal problems that are extremely difficult to solve or mitigate, often because of deep-rooted systemic issues or complex interdependencies.

Colonial Society

A society formed in a territory claimed and ruled by a foreign power, often characterized by a distinct social hierarchy and economic structure influenced by colonization.