Borderou de evaluare (job #519080)

Compilare: user.cpp: In function 'int main()': user.cpp:9:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:105:29: warning: 'p2' may be used uninitialized in this function [-Wuninitialized] user.cpp:69:29: warning: 'p1' may be used uninitialized in this function [-Wuninitialized]