example2_out_of_range.cpp

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#include <iostream>
#include <stdexcept>
#include <vector>

int main() {
    std::vector<int> vec = {1, 2, 3};
    try {
        std::cout << vec.at(5) << std::endl;
    } catch (const std::out_of_range& e) {
        std::cerr << "Out of range error: " << e.what() << std::endl;
    }
    return 0;
}