opencv

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#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600)
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// OK
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#else
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#error "C++11 is not supported"
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#endif
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static int test() { return 0; }
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int main()
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{
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    auto res = test();
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    return res;
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}
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