Eroare de compilare: user.cpp:14: error: new types may not be defined in a return type user.cpp:14: note: (perhaps a semicolon is missing after the definition of 'circle') user.cpp:14: error: two or more data types in declaration of 'is_collinear' user.cpp: In function 'int cmp(circle, circle)': user.cpp:20: error: 'is_collinear' was not declared in this scope user.cpp: In function 'int circle_intersect(circle, circle)': user.cpp:33: error: 'struct circle' has no member named 'r' user.cpp:33: error: 'struct circle' has no member named 'r' user.cpp:33: error: 'struct circle' has no member named 'r' user.cpp:33: error: 'struct circle' has no member named 'r' user.cpp: In function 'int main()': user.cpp:44: error: request for member 'x' in 'v[i]', which is of non-class type 'int' user.cpp:44: error: request for member 'y' in 'v[i]', which is of non-class type 'int' user.cpp:44: error: request for member 'r' in 'v[i]', which is of non-class type 'int' user.cpp:50: error: 'is_collinear' was not declared in this scope user.cpp:54: error: conversion from 'int' to non-scalar type 'circle' requested user.cpp:55: error: 'TopMAx' was not declared in this scope /usr/include/c++/4.2/bits/stl_algo.h: In function 'const _Tp& std::__median(const _Tp&, const _Tp&, const _Tp&, _Compare) [with _Tp = int, _Compare = int (*)(circle, circle)]': /usr/include/c++/4.2/bits/stl_algo.h:2795: instantiated from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = int*, _Size = int, _Compare = int (*)(circle, circle)]' /usr/include/c++/4.2/bits/stl_algo.h:2866: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' user.cpp:45: instantiated from here /usr/include/c++/4.2/bits/stl_algo.h:125: error: conversion from 'const int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h:126: error: conversion from 'const int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h:128: error: conversion from 'const int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h:132: error: conversion from 'const int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h:134: error: conversion from 'const int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h: In function '_RandomAccessIterator std::__unguarded_partition(_RandomAccessIterator, _RandomAccessIterator, _Tp, _Compare) [with _RandomAccessIterator = int*, _Tp = int, _Compare = int (*)(circle, circle)]': /usr/include/c++/4.2/bits/stl_algo.h:2795: instantiated from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = int*, _Size = int, _Compare = int (*)(circle, circle)]' /usr/include/c++/4.2/bits/stl_algo.h:2866: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' user.cpp:45: instantiated from here /usr/include/c++/4.2/bits/stl_algo.h:2278: error: conversion from 'int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h:2281: error: conversion from 'int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]': /usr/include/c++/4.2/bits/stl_algo.h:2457: instantiated from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' /usr/include/c++/4.2/bits/stl_algo.h:2868: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' user.cpp:45: instantiated from here /usr/include/c++/4.2/bits/stl_algo.h:2382: error: conversion from 'int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h: In function 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]': /usr/include/c++/4.2/bits/stl_algo.h:2591: instantiated from 'void std::partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' /usr/include/c++/4.2/bits/stl_algo.h:2782: instantiated from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = int*, _Size = int, _Compare = int (*)(circle, circle)]' /usr/include/c++/4.2/bits/stl_algo.h:2866: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' user.cpp:45: instantiated from here /usr/include/c++/4.2/bits/stl_algo.h:2501: error: conversion from 'int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Tp, _Compare) [with _RandomAccessIterator = int*, _Tp = int, _Compare = int (*)(circle, circle)]': /usr/include/c++/4.2/bits/stl_algo.h:2388: instantiated from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' /usr/include/c++/4.2/bits/stl_algo.h:2457: instantiated from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' /usr/include/c++/4.2/bits/stl_algo.h:2868: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*, _Compare = int (*)(circle, circle)]' user.cpp:45: instantiated from here /usr/include/c++/4.2/bits/stl_algo.h:2330: error: conversion from 'int' to non-scalar type 'circle' requested /usr/include/c++/4.2/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = int*, _Distance = int, _Tp = int, _Compare = int (*)(circle, circle)]':