Eroare de compilare: user.cpp:12:11: error: ‘double y1’ redeclared as different kind of symbol double x1,y1; ^ In file included from /usr/include/features.h:346:0, from /usr/include/stdio.h:28, 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:50:8: error: assignment of function ‘double y1(double)’ y1=a[i].y; ^ user.cpp:50:8: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:51:16: error: invalid operands of types ‘double(double)throw ()’ and ‘double’ to binary ‘operator/’ m[i].x=y1/x1; ^