Compilare: user.cpp:65:2: warning: no newline at end of file user.cpp: In function 'void citire()': user.cpp:14: warning: format '%ld' expects type 'long int*', but argument 2 has type 'long long int*' user.cpp:14: warning: format '%ld' expects type 'long int*', but argument 3 has type 'long long int*' user.cpp: In function 'double arie()': user.cpp:32: warning: unused variable 'x1' user.cpp:32: warning: unused variable 'x2' user.cpp:32: warning: unused variable 'y1' user.cpp:32: warning: unused variable 'y2'