Vector not working!!

I am trying to learn how to use vector and stuff related to it but I've gone to 15 websites plus this but it is still not working i am trying to use

Code:

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vector<int> test;

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(i am showing this one because it came up with less errors)
The errors:
[code]
'vector' undeclared(first use this function)

expected primary-expression before "int"

expected ';' before "int"
[\code]

thank you in advance

Try pressing the 'edit' button at the bottom of your post, and not spamming the board with 3 separate broken attempts at using code tags.

k sory

Code:

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//Did you forget?
#include <vector>
using namespace std;

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yes...i must really look like an idiot