Eroare de compilare: user.cpp:7:24: error: ‘int y1’ redeclared as different kind of symbol int n,i,j,k,a,b,x,y,x1,y1,rez; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/cstdio:41, from user.cpp:1: /usr/include/bits/mathcalls.h:242:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:21:32: error: assignment of function ‘double y1(double)’ x1=x,y1=y; ^ user.cpp:21:32: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:25:15: warning: the address of ‘double y1(double)’ will always evaluate as ‘true’ [-Waddress] if (x1 && y1) printf("%d %d\n",x,y);else ^