Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:75:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( dist[xnou][ynou] > dist[x][y] +1 && A[xnou][ynou] != -1 && A[x][y] < A[xnou][ynou] ) ^ user.cpp:81:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( dist[xnou][ynou] == dist[x][y] && A[xnou][ynou] != -1 && A[x][y] < A[xnou][ynou] ) ^ user.cpp:118:62: error: conversion from ‘__gnu_cxx::__normal_iterator<std::pair<short int, short int>*, std::vector<std::pair<short int, short int> > >’ to non-scalar type ‘std::vector<std::pair<int, int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >}’ requested for( vector < pair < int , int > >:: iterator it = Sol.end()-1 ; it != Sol.begin()-1 ; --it ) ^ user.cpp:118:70: error: no match for ‘operator!=’ (operand types are ‘std::vector<std::pair<int, int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >}’ and ‘__gnu_cxx::__normal_iterator<std::pair<short int, short int>*, std::vector<std::pair<short int, short int> > >’) for( vector < pair < int , int > >:: iterator it = Sol.end()-1 ; it != Sol.begin()-1 ; --it ) ^ user.cpp:118:70: note: candidates are: In file included from /usr/local/include/c++/4.8.0/iosfwd:40:0, from /usr/local/include/c++/4.8.0/ios:38, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/postypes.h:221:5: note: template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^ /usr/local/include/c++/4.8.0/bits/postypes.h:221:5: note: template argument deduction/substitution failed: user.cpp:118:85: note: ‘std::vector<std::pair<int, int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >}’ is not derived from ‘const std::fpos<_StateT>’ for( vector < pair < int , int > >:: iterator it = Sol.end()-1 ; it != Sol.begin()-1 ; --it ) ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:64:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39, from /usr/local/include/c++/4.8.0/ios:40, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/stl_pair.h:227:5: 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/local/include/c++/4.8.0/bits/stl_pair.h:227:5: note: template argument deduction/substitution failed: user.cpp:118:85: note: ‘std::vector<std::pair<int, int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >}’ is not derived from ‘const std::pair<_T1, _T2>’ for( vector < pair < int , int > >:: iterator it = Sol.end()-1 ; it != Sol.begin()-1 ; --it ) ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:67:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39, from /usr/local/include/c++/4.8.0/ios:40, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/stl_iterator.h:303:5: note: template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator!=(const reverse_iterator<_Iterator>& __x, ^ /usr/local/include/c++/4.8.0/bits/stl_iterator.h:303:5: note: template argument deduction/substitution failed: user.cpp:118:85: note: ‘std::vector<std::pair<int, int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >}’ is not derived from ‘const std::reverse_iterator<_Iterator>’