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#ifndef POINT_GUARD
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#define POINT_GUARD
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namespace Graph_lib {
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struct Point
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{
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int x;
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int y;
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};
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inline bool operator==(Point a, Point b)
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{
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return a.x == b.x && a.y == b.y;
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}
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inline bool operator!=(Point a, Point b)
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{
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return !(a == b);
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}
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} // namespace Graph_lib
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#endif
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