Compilare: user.cpp: In function 'void caz2()': user.cpp:81: warning: comparison between signed and unsigned integer expressions user.cpp:98: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void caz3()': user.cpp:121: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int pas1()': user.cpp:28: warning: control reaches end of non-void function user.cpp: In function 'void caz2()': user.cpp:63: warning: 'x' may be used uninitialized in this function