Borderou de evaluare (job #265406)

Compilare: user.cpp: In function ‘int main()’: user.cpp:48:75: warning: suggest parentheses around comparison in operand of ‘!=’ [-Wparentheses] user.cpp:48:78: warning: suggest parentheses around comparison in operand of ‘!=’ [-Wparentheses] user.cpp:57:59: warning: suggest parentheses around comparison in operand of ‘!=’ [-Wparentheses] user.cpp:57:62: warning: suggest parentheses around comparison in operand of ‘!=’ [-Wparentheses] user.cpp:28:11: warning: variable ‘a1’ set but not used [-Wunused-but-set-variable] user.cpp:28:16: warning: unused variable ‘b1’ [-Wunused-variable] user.cpp:57:48: warning: ‘b’ may be used uninitialized in this function [-Wuninitialized]