Duplicates Are Ignored

A set<int> named s has been declared for you. Insert the values 4, 4, 4 and 2 using four separate s.insert(...) calls.

Print the size of the set on its own line. Expected output the output shown in Expected Output.

Expected Output:

2↵

= newline. The output ends with a newline — print one after the last line.

Hints3 available

Topics:

STL ContainersSets

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