Borderou de evaluare (job #488244)

Compilare: user.cpp: In function 'int main()': user.cpp:32:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:33:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:38:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function 'int cb(ELEM)': user.cpp:14:5: warning: 'st' is used uninitialized in this function [-Wuninitialized] user.cpp:14:5: warning: 'dr' is used uninitialized in this function [-Wuninitialized] user.cpp: In function 'int main()': user.cpp:14:5: warning: 'st' may be used uninitialized in this function [-Wuninitialized] user.cpp:13:9: note: 'st' was declared here user.cpp:14:5: warning: 'dr' may be used uninitialized in this function [-Wuninitialized] user.cpp:13:12: note: 'dr' was declared here