at()

C++ Vector end() This function returns an iterator referring to the past-last-element in the vector container. Syntax Consider a vector v. Syntax…

C++ Vector pop_back() It deletes the last element and reduces the size of the vector by one. Syntax Consider a vector v.Syntax…

C++ Vector size() It determines the number of elements in the vector. Syntax Consider a vector ‘v’ and number of elements ‘n’.…

What is the full form of AT&T AT&T: American Telephone & Telegraph Company AT&T stands for American Telephone & Telegraph Company (AT&T…

C++ Vector push_back() This function adds a new element at the end of the vector. Syntax Consider a vector v and ‘k’…

C++ Vector resize() It modifies the size of the vector to the specified value Size changed to 4 and new value is…

C++ Vector erase() It deletes the specified elements pointed by the iterator Erases third element using erase() function Syntax Consider a vector…

C++ Vector front() It gives a reference to the first element of vector. Syntax Consider a vector.Syntax would be: v.front(); Parameter This…

C++ Vector at() It gives a reference to an element. Syntax Consider a vector v and k is the position. Syntax would…

C++ Vector insert() It is used to insert new element at specified position. Syntax Consider a vector v. Syntax would be: insert(iterator,val);…