Eroare de compilare: user.cpp:7:35: error: ‘int y1’ redeclared as different kind of symbol int s, i, j, m, a[370], x, y, x1, y1; ^ 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:26:17: error: assignment of function ‘double y1(double)’ x1=x; y1=y; ^ user.cpp:26:17: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:38:24: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (x1==x && y1==y) x=y; ^