Prevent enter duplicate element to a vector

Question

Can anyone tell me how to make sure that it is not duplicated before entering an element into a vector?

Answer 1

Its C++

Answer 2

Its C++

Answer 3

Ok thanks so much

Answer 4

I dont understand you

Answer 5

Maryam What is your language preference?

Answer 6

Maryam Someone will surely get back to you. If it was Java then I could have helped.

Answer 7

Look up unique in the algorithm header file, u need to sort the vector first, also in the same header file.