Borderou de evaluare (job #92441)

Compilare: user.cpp: In function ‘int main()’: user.cpp:11:79: warning: unused variable ‘ok’ [-Wunused-variable] user.cpp:85:9: warning: ‘y’ may be used uninitialized in this function [-Wuninitialized] user.cpp:85:9: warning: ‘x’ may be used uninitialized in this function [-Wuninitialized] user.cpp:42:9: warning: ‘z’ may be used uninitialized in this function [-Wuninitialized] user.cpp:42:9: warning: ‘w’ may be used uninitialized in this function [-Wuninitialized]