Eroare de compilare: user.cpp:8:27: error: ‘int y1’ redeclared as different kind of symbol int n,m,p,i,j,ii,jj,x1,x2,y1,y2,N,k,ok,ap,xx,yy,l,c,iv,jv; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int fill2(int, int)’: user.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:48:12: error: cannot bind ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ lvalue to ‘std::basic_istream<char>&&’ fin>>x1>>y1>>x2>>y2; ^ In file included from /usr/include/c++/4.8/fstream:38:0, from user.cpp:1: /usr/include/c++/4.8/istream:872:5: error: initializing argument 1 of ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = double(double)throw ()]’ operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x) ^ user.cpp:51:43: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (v[j].ff < x1 && v[j].fs < y1 && v[j].sf > x2 && v[j].ss > y2){ ^ user.cpp:59:21: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] v[N].fs = y1; ^ user.cpp:67:18: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] y[k] = y1; ^