Borderou de evaluare (job #455879)

Compilare: user.cpp: In function ‘int main()’: user.cpp:18:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:19:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:105:24: warning: ‘cx’ may be used uninitialized in this function [-Wuninitialized] user.cpp:105:15: warning: ‘rx’ may be used uninitialized in this function [-Wuninitialized]