Borderou de evaluare (job #471661)

Compilare: user.cpp: In function ‘int main()’: user.cpp:75:20: warning: statement has no effect [-Wunused-value] user.cpp:79:20: warning: statement has no effect [-Wunused-value] user.cpp:9:11: warning: unused variable ‘a’ [-Wunused-variable] user.cpp:9:15: warning: unused variable ‘m’ [-Wunused-variable] user.cpp:9:17: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:69:9: warning: ‘x1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:9:21: warning: ‘l’ may be used uninitialized in this function [-Wuninitialized]