Eroare de compilare: user.cpp: In function ‘void fill()’: user.cpp:11:9: warning: unused variable ‘sol’ [-Wunused-variable] int sol=0; ^ user.cpp: In function ‘int main()’: user.cpp:46:15: error: no matching function for call to ‘fill(int&, int&)’ fill(c1,c2); ^ user.cpp:46:15: note: candidates are: user.cpp:9:6: note: void fill() void fill() ^ user.cpp:9:6: note: candidate expects 0 arguments, 2 provided In file included from /usr/include/c++/4.8/bits/char_traits.h:39:0, 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_algobase.h:721:5: note: template<class _ForwardIterator, class _Tp> void std::fill(_ForwardIterator, _ForwardIterator, const _Tp&) fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) ^ /usr/include/c++/4.8/bits/stl_algobase.h:721:5: note: template argument deduction/substitution failed: user.cpp:46:15: note: candidate expects 3 arguments, 2 provided fill(c1,c2); ^