Borderou de evaluare (job #221978)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:23: warning: unused variable ‘bec’ [-Wunused-variable] user.cpp:5:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:76:9: warning: ‘b0’ may be used uninitialized in this function [-Wuninitialized] user.cpp:76:9: warning: ‘a0’ may be used uninitialized in this function [-Wuninitialized]