Borderou de evaluare (job #54781)

Compilare: user.cpp: In function ‘int main()’: user.cpp:34:29: warning: suggest parentheses around assignment used as truth value [-Wparentheses] user.cpp:44:44: warning: suggest parentheses around assignment used as truth value [-Wparentheses] user.cpp:54:62: warning: suggest parentheses around assignment used as truth value [-Wparentheses] user.cpp:6:33: warning: variable ‘o’ set but not used [-Wunused-but-set-variable] user.cpp:6:46: warning: variable ‘nr4’ set but not used [-Wunused-but-set-variable] user.cpp:6:18: warning: ‘i’ is used uninitialized in this function [-Wuninitialized] user.cpp:26:30: warning: ‘r’ may be used uninitialized in this function [-Wuninitialized]