32 lines
798 B
C++
32 lines
798 B
C++
#include <iostream>
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#include <set>
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int main() {
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// create a set of integers
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std::set<int> numbers;
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// insert some values into the set
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numbers.insert(10);
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numbers.insert(5);
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numbers.insert(20);
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numbers.insert(15);
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numbers.insert(5); // duplicate value (won't be inserted)
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// print the elements of the set
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std::cout << "The elements in the set are:" << std::endl;
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for (int num : numbers) {
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std::cout << num << " ";
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}
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std::cout << std::endl;
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// check if a specific value exists in the set
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int value = 15;
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if (numbers.find(value) != numbers.end()) {
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std::cout << value << " is found in the set." << std::endl;
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} else {
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std::cout << value << " is not found in the set." << std::endl;
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}
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return 0;
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}
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