Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:21:26: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘int’ [-Wformat=] scanf("%d",ma[i][j]); ^ user.cpp:22:13: error: invalid types ‘int[int]’ for array subscript cost[i][j]=1e9; ^ user.cpp:40:8: error: no match for ‘operator=’ (operand types are ‘std::pair<int, int>’ and ‘std::set<std::pair<int, int> >::iterator {aka std::_Rb_tree_const_iterator<std::pair<int, int> >}’) nod=v.begin(); ^ user.cpp:40:8: 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/stl_tree.h:61, from /usr/include/c++/4.8/set:60, from user.cpp:2: /usr/include/c++/4.8/bits/stl_pair.h:158:7: note: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_T1, _T2>&) [with _T1 = int; _T2 = int] operator=(const pair& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:158:7: note: no known conversion for argument 1 from ‘std::set<std::pair<int, int> >::iterator {aka std::_Rb_tree_const_iterator<std::pair<int, int> >}’ to ‘const std::pair<int, int>&’ /usr/include/c++/4.8/bits/stl_pair.h:166:7: note: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::pair<_T1, _T2>&&) [with _T1 = int; _T2 = int] operator=(pair&& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:166:7: note: no known conversion for argument 1 from ‘std::set<std::pair<int, int> >::iterator {aka std::_Rb_tree_const_iterator<std::pair<int, int> >}’ to ‘std::pair<int, int>&&’ /usr/include/c++/4.8/bits/stl_pair.h:177:2: note: template<class _U1, class _U2> std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int] operator=(const pair<_U1, _U2>& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:177:2: note: template argument deduction/substitution failed: user.cpp:40:8: note: ‘std::set<std::pair<int, int> >::iterator {aka std::_Rb_tree_const_iterator<std::pair<int, int> >}’ is not derived from ‘const std::pair<_T1, _T2>’ nod=v.begin(); ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/stl_tree.h:61, from /usr/include/c++/4.8/set:60, from user.cpp:2: /usr/include/c++/4.8/bits/stl_pair.h:186:2: note: template<class _U1, class _U2> std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int] operator=(pair<_U1, _U2>&& __p) ^ /usr/include/c++/4.8/bits/stl_pair.h:186:2: note: template argument deduction/substitution failed: user.cpp:40:8: note: ‘std::set<std::pair<int, int> >::iterator {aka std::_Rb_tree_const_iterator<std::pair<int, int> >}’ is not derived from ‘std::pair<_T1, _T2>’ nod=v.begin(); ^ user.cpp:49:9: error: ‘h’ was not declared in this scope for(h=1;h<=8;h++) ^ user.cpp:12:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taxa.in","r",stdin); ^ user.cpp:13:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taxa.out","w",stdout); ^