Borderou de evaluare (job #16280)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:189:17: warning: ‘fj’ may be used uninitialized in this function [-Wuninitialized] user.cpp:189:17: warning: ‘fa’ may be used uninitialized in this function [-Wuninitialized]