Eroare de compilare: user.cpp: In function ‘void solution()’: user.cpp:75:41: error: no matching function for call to ‘make_pair(int&, int&)’ H.insert (make_pair <int, int> (h, v)); ^ user.cpp:75:41: note: candidate is: In file included from /usr/include/c++/4.8/utility:70:0, from /usr/include/c++/4.8/tuple:38, from /usr/include/c++/4.8/functional:55, from user.cpp:3: /usr/include/c++/4.8/bits/stl_pair.h:276:5: note: template<class _T1, class _T2> constexpr std::pair<typename std::__decay_and_strip<_Tp>::__type, typename std::__decay_and_strip<_T2>::__type> std::make_pair(_T1&&, _T2&&) make_pair(_T1&& __x, _T2&& __y) ^ /usr/include/c++/4.8/bits/stl_pair.h:276:5: note: template argument deduction/substitution failed: user.cpp:75:41: note: cannot convert ‘h’ (type ‘int’) to type ‘int&&’ H.insert (make_pair <int, int> (h, v)); ^ user.cpp: In function ‘int main()’: user.cpp:92:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("colectie.in", "r", stdin); ^ user.cpp:93:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("colectie.out", "w", stdout); ^ user.cpp:95:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d", &n, &k); ^ user.cpp:100:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &p [i][j]); ^