Borderou de evaluare (job #42897)

Compilare: user.cpp: In function ‘int main()’: user.cpp:35:19: warning: variable ‘z’ set but not used [-Wunused-but-set-variable] user.cpp:33:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:34:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:36:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:5: warning: ‘x’ may be used uninitialized in this function [-Wuninitialized] user.cpp:6:9: note: ‘x’ was declared here