Eroare de compilare: user.cpp:6:33: error: ‘int y1 [10000]’ redeclared as different kind of symbol int x1[10000],x2[10000],y1[10000],y2[10000],x[10000],y[10000],normx[10000],normy[10000],j=1,st,dr,kx,ky,mij,n,m,p,i,l,c,l1,l2,c1,c2,a[1001][1001]; ^ 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 main()’: user.cpp:42:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] cin>>x1[i]>>y1[i]>>x2[i]>>y2[i]; ^ user.cpp:42:12: error: cannot bind ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ lvalue to ‘std::basic_istream<char>&&’ cin>>x1[i]>>y1[i]>>x2[i]>>y2[i]; ^ 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:44:18: warning: pointer to a function used in arithmetic [-Wpointer-arith] y[j]=y1[i]; ^ user.cpp:44:18: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] user.cpp:70:16: warning: pointer to a function used in arithmetic [-Wpointer-arith] c1=y1[i]; ^ user.cpp:70:16: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] user.cpp: In function ‘int binx(int)’: user.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int biny(int)’: user.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type] } ^