foo.cpp:1:1: error: 'include' does not name a type
foo.cpp: In function 'int main()':
foo.cpp:6:1: error: 'cin' was not declared in this scope
foo.cpp:17:34: error: 'fabs' was not declared in this scope
foo.cpp:17:59: error: 'hypot' was not declared in this scope
foo.cpp:20:1: error: 'cout' was not declared in this scope
foo.cpp:20:21: error: 'setprecision' was not declared in this scope
foo.cpp:20:24: error: 'fixed' is not a member of 'std'