0_0_8547080_20104.cpp:3: error: `usingnamespace' does not name a type
0_0_8547080_20104.cpp:4: error: `typedefstruct' does not name a type
0_0_8547080_20104.cpp:7: error: expected constructor, destructor, or type conversion before ';' token
0_0_8547080_20104.cpp:9: error: `Point' was not declared in this scope
0_0_8547080_20104.cpp:9: error: `Point' was not declared in this scope
0_0_8547080_20104.cpp:9: error: `Point' was not declared in this scope
0_0_8547080_20104.cpp:10: error: initializer expression list treated as compound expression
0_0_8547080_20104.cpp:10: error: expected `,' or `;' before '{' token
0_0_8547080_20104.cpp:14: error: `Point' was not declared in this scope
0_0_8547080_20104.cpp:14: error: `Point' was not declared in this scope
0_0_8547080_20104.cpp:15: error: initializer expression list treated as compound expression
0_0_8547080_20104.cpp:15: error: expected `,' or `;' before '{' token
0_0_8547080_20104.cpp:21: error: variable or field `Graham_scan' declared void
0_0_8547080_20104.cpp:21: error: `Point' was not declared in this scope
0_0_8547080_20104.cpp:21: error: `Point' was not declared in this scope
0_0_8547080_20104.cpp:21: error: expected primary-expression before "int"
0_0_8547080_20104.cpp:21: error: expected primary-expression before "int"
0_0_8547080_20104.cpp:22: error: initializer expression list treated as compound expression
0_0_8547080_20104.cpp:22: error: expected `,' or `;' before '{' token
0_0_8547080_20104.cpp:55: error: ISO C++ forbids declaration of `intmain' with no type
0_0_8547080_20104.cpp: In function `int intmain()':
0_0_8547080_20104.cpp:58: error: `Point' undeclared (first use this function)
0_0_8547080_20104.cpp:58: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8547080_20104.cpp:58: error: `p' undeclared (first use this function)
0_0_8547080_20104.cpp:58: error: `ret' undeclared (first use this function)
0_0_8547080_20104.cpp:59: error: `cin' undeclared (first use this function)
0_0_8547080_20104.cpp:62: error: `Point' has not been declared
0_0_8547080_20104.cpp:63: error: `Point' has not been declared
0_0_8547080_20104.cpp:73: error: `Distance' cannot be used as a function
0_0_8547080_20104.cpp:86: error: `Distance' cannot be used as a function
0_0_8547080_20104.cpp:88: error: `Graham_scan' cannot be used as a function
0_0_8547080_20104.cpp:92: error: `Distance' cannot be used as a function
0_0_8547080_20104.cpp:99: error: `return0' undeclared (first use this function)
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