Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24:47: error: ‘aria’ was not declared in this scope a0 = modul(aria(x1, y1, x2, y2, x3, y3)); ^ user.cpp:24:48: error: ‘modul’ was not declared in this scope a0 = modul(aria(x1, y1, x2, y2, x3, y3)); ^ user.cpp:48:59: error: ‘aria’ was not declared in this scope a0 = modul(aria(x1, y1, x2, y2, x3, y3)); ^ user.cpp:48:60: error: ‘modul’ was not declared in this scope a0 = modul(aria(x1, y1, x2, y2, x3, y3)); ^ user.cpp:58:13: error: expected primary-expression before ‘}’ token } ^ user.cpp:58:13: error: expected ‘;’ before ‘}’ token