Eroare de compilare: user.cpp:9:16: error: ‘int y1 [10]’ redeclared as different kind of symbol int x[10],y1[10],y2[10]; ^ 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 ‘void rec(int, int)’: user.cpp:18:33: warning: pointer to a function used in arithmetic [-Wpointer-arith] xt = x[i]; yt = y1[i]; ^ user.cpp:18:33: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] user.cpp:47:15: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[niv] = c2; ^ user.cpp:47:17: error: assignment of read-only location ‘*(y1 + ((sizetype)niv))’ y1[niv] = c2; ^ user.cpp:47:17: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment