Eroare de compilare: user.cpp: In function ‘int dada(int)’: user.cpp:43:13: warning: unused variable ‘aux’ [-Wunused-variable] int aux = cap[nod]; ^ In file included from /usr/include/c++/4.8/algorithm:62:0, from user.cpp:2: /usr/include/c++/4.8/bits/stl_algo.h: In instantiation of ‘_RandomAccessIterator std::__unguarded_partition(_RandomAccessIterator, _RandomAccessIterator, const _Tp&, _Compare) [with _RandomAccessIterator = muchie*; _Tp = muchie; _Compare = bool (*)(muchie&, muchie&)]’: /usr/include/c++/4.8/bits/stl_algo.h:2319:78: required from ‘_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = muchie*; _Compare = bool (*)(muchie&, muchie&)]’ /usr/include/c++/4.8/bits/stl_algo.h:2360:62: required from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = muchie*; _Size = int; _Compare = bool (*)(muchie&, muchie&)]’ /usr/include/c++/4.8/bits/stl_algo.h:5513:44: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = muchie*; _Compare = bool (*)(muchie&, muchie&)]’ user.cpp:126:38: required from here /usr/include/c++/4.8/bits/stl_algo.h:2287:35: error: invalid initialization of reference of type ‘muchie&’ from expression of type ‘const muchie’ while (__comp(*__first, __pivot)) ^ /usr/include/c++/4.8/bits/stl_algo.h:2290:34: error: invalid initialization of reference of type ‘muchie&’ from expression of type ‘const muchie’ while (__comp(__pivot, *__last)) ^ user.cpp: In function ‘int main()’: user.cpp:99:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(re, "%d %d %lf", &t, &n, &k); ^ user.cpp:102:130: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(re, "%lf %lf %lf %lf %lf %lf", &eli[i][0].x, &eli[i][0].y, &eli[i][1].x, &eli[i][1].y, &eli[i][2].x, &eli[i][2].y); ^