Compilare: user.cpp: In function ‘int main()’: user.cpp:44:10: warning: ‘p2b’ may be used uninitialized in this function [-Wmaybe-uninitialized] b=p2b-p1b; ^ user.cpp:43:10: warning: ‘p2a’ may be used uninitialized in this function [-Wmaybe-uninitialized] a=p2a-p1a; ^ user.cpp:44:10: warning: ‘p1b’ may be used uninitialized in this function [-Wmaybe-uninitialized] b=p2b-p1b; ^ user.cpp:43:10: warning: ‘p1a’ may be used uninitialized in this function [-Wmaybe-uninitialized] a=p2a-p1a; ^ user.cpp:42:8: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<j<<" "; ^