Borderou de evaluare (job #397038)

Eroare de compilare: In file included from /usr/include/c++/4.6/algorithm:63:0, from user.cpp:2: /usr/include/c++/4.6/bits/stl_algo.h: In function ‘_RandomAccessIterator std::__unguarded_partition(_RandomAccessIterator, _RandomAccessIterator, const _Tp&, _Compare) [with _RandomAccessIterator = interval*, _Tp = interval, _Compare = bool (*)(interval&, interval&)]’: /usr/include/c++/4.6/bits/stl_algo.h:2265:78: instantiated from ‘_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = interval*, _Compare = bool (*)(interval&, interval&)]’ /usr/include/c++/4.6/bits/stl_algo.h:2306:62: instantiated from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = interval*, _Size = int, _Compare = bool (*)(interval&, interval&)]’ /usr/include/c++/4.6/bits/stl_algo.h:5445:4: instantiated from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = interval*, _Compare = bool (*)(interval&, interval&)]’ user.cpp:28:46: instantiated from here /usr/include/c++/4.6/bits/stl_algo.h:2233:4: error: invalid initialization of reference of type ‘interval&’ from expression of type ‘const interval’ /usr/include/c++/4.6/bits/stl_algo.h:2236:4: error: invalid initialization of reference of type ‘interval&’ from expression of type ‘const interval’ user.cpp: In function ‘int main()’: user.cpp:21:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:63: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]