Borderou de evaluare (job #488247)

Compilare: user.cpp: In function 'int main()': user.cpp:22:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:23:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:25:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function 'int cb(long long int)': user.cpp:10:5: warning: 'st' is used uninitialized in this function [-Wuninitialized] user.cpp:10:5: warning: 'dr' is used uninitialized in this function [-Wuninitialized] user.cpp: In function 'int main()': user.cpp:10:5: warning: 'st' may be used uninitialized in this function [-Wuninitialized] user.cpp:9:9: note: 'st' was declared here user.cpp:10:5: warning: 'dr' may be used uninitialized in this function [-Wuninitialized] user.cpp:9:12: note: 'dr' was declared here