Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:42: error: expected identifier before numeric constant scanf ("%d%d", &a[0][i].first, &[0][i].second); ^ user.cpp: In lambda function: user.cpp:16:44: error: expected ‘{’ before ‘[’ token scanf ("%d%d", &a[0][i].first, &[0][i].second); ^ user.cpp: In function ‘int main()’: user.cpp:16:44: error: no match for ‘operator[]’ (operand types are ‘main()::__lambda0’ and ‘int’) user.cpp:20:42: error: expected identifier before numeric constant scanf ("%d%d", &a[1][i].first, &[1][i].second); ^ user.cpp: In lambda function: user.cpp:20:44: error: expected ‘{’ before ‘[’ token scanf ("%d%d", &a[1][i].first, &[1][i].second); ^ user.cpp: In function ‘int main()’: user.cpp:20:44: error: no match for ‘operator[]’ (operand types are ‘main()::__lambda1’ and ‘int’) user.cpp:53:5: error: ‘f’ was not declared in this scope f.close(); ^ user.cpp:54:5: error: ‘g’ was not declared in this scope g.close(); ^ 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 ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator) [with _RandomAccessIterator = interval*]’: /usr/include/c++/4.8/bits/stl_algo.h:2235:62: required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator) [with _RandomAccessIterator = interval*]’ /usr/include/c++/4.8/bits/stl_algo.h:5476:47: required from ‘void std::sort(_RAIter, _RAIter) [with _RAIter = interval*]’ user.cpp:22:24: required from here /usr/include/c++/4.8/bits/stl_algo.h:2161:13: error: no match for ‘operator<’ (operand types are ‘interval’ and ‘interval’) if (*__i < *__first) ^ /usr/include/c++/4.8/bits/stl_algo.h:2161:13: note: candidates are: In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:220:5: note: template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^ /usr/include/c++/4.8/bits/stl_pair.h:220:5: note: template argument deduction/substitution failed: 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:2161:13: note: ‘interval’ is not derived from ‘const std::pair<_T1, _T2>’ if (*__i < *__first) ^