24 lines
521 B
C++
24 lines
521 B
C++
#ifndef _VERTEX_HH_
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#define _VERTEX_HH_
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#include <iostream>
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class Vertex {
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public:
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int x;
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int y;
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int z;
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public:
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Vertex();
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Vertex(int x, int y, int z);
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public:
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friend std::ostream& operator<<(std::ostream& os, const Vertex& v);
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friend Vertex operator+(const Vertex& u, const Vertex& v);
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friend Vertex operator-(const Vertex& u, const Vertex& v);
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friend Vertex operator-(const Vertex& v);
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friend Vertex operator*(const Vertex& v, const int n);
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friend Vertex operator/(const Vertex& v, const int n);
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};
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#endif
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