0_0_8387624_4761.cpp:2: error: expected `,' or `...' before '&' token
0_0_8387624_4761.cpp:3: error: ISO C++ forbids declaration of `Point' with no type
0_0_8387624_4761.cpp: In function `bool cmpxy(int)':
0_0_8387624_4761.cpp:4: error: `a' undeclared (first use this function)
0_0_8387624_4761.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8387624_4761.cpp:4: error: `b' undeclared (first use this function)
0_0_8387624_4761.cpp: In function `bool cmpy(const int&, const int&)':
0_0_8387624_4761.cpp:11: error: `point' undeclared (first use this function)
0_0_8387624_4761.cpp: In function `double dis(int, int)':
0_0_8387624_4761.cpp:16: error: `point' undeclared (first use this function)
0_0_8387624_4761.cpp:16: error: `pow' undeclared (first use this function)
0_0_8387624_4761.cpp:16: error: `sqrt' undeclared (first use this function)
0_0_8387624_4761.cpp: In function `double close_pair(int, int)':
0_0_8387624_4761.cpp:21: error: `INF' undeclared (first use this function)
0_0_8387624_4761.cpp:30: error: `min' undeclared (first use this function)
0_0_8387624_4761.cpp:35: error: `point' undeclared (first use this function)
0_0_8387624_4761.cpp:35: error: `fabs' undeclared (first use this function)
0_0_8387624_4761.cpp:36: error: `temp' undeclared (first use this function)
0_0_8387624_4761.cpp:38: error: `sort' undeclared (first use this function)
0_0_8387624_4761.cpp: In function `int main()':
0_0_8387624_4761.cpp:52: error: `cin' undeclared (first use this function)
0_0_8387624_4761.cpp:52: error: `n' undeclared (first use this function)
0_0_8387624_4761.cpp:57: error: `point' undeclared (first use this function)
0_0_8387624_4761.cpp:58: error: `sort' undeclared (first use this function)
0_0_8387624_4761.cpp:59: error: `cout' undeclared (first use this function)
0_0_8387624_4761.cpp:59: error: `fixed' undeclared (first use this function)
0_0_8387624_4761.cpp:59: error: `setprecision' undeclared (first use this function)
0_0_8387624_4761.cpp:59: error: `endl' undeclared (first use this function)
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