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//count - returns true if element is present in set
//else returns false
//syntax:
set<int> s = {1,2,3};
s.count(1); //true;
s.count(0); //false;
//Jesus Loves You
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Input: set <int> myset = {1, 2, 3, 4, 6};
myset.count(2);
Output: 1
Input: set<int> myset = {1, 2, 3, 4, 6};
myset.count(5);
Output: 0