Compilare: user.cpp: In function 'int citire()': user.cpp:11: warning: unused variable 'i' user.cpp: In function 'int scriere()': user.cpp:19: warning: unused variable 'i' user.cpp: In function 'void pdin()': user.cpp:31: warning: suggest parentheses around assignment used as truth value user.cpp:34: warning: suggest parentheses around assignment used as truth value user.cpp: In function 'int scriere()': user.cpp:22: warning: control reaches end of non-void function user.cpp: In function 'int citire()': user.cpp:16: warning: control reaches end of non-void function