Borderou de evaluare (job #130547)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:5: warning: statement has no effect [-Wunused-value] user.cpp:10:28: warning: statement has no effect [-Wunused-value] user.cpp:8:19: warning: unused variable ‘d’ [-Wunused-variable] user.cpp:8:23: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:8:25: warning: unused variable ‘y’ [-Wunused-variable] user.cpp:8:59: warning: unused variable ‘r’ [-Wunused-variable] user.cpp:10:1: warning: ‘n’ may be used uninitialized in this function [-Wuninitialized]