Borderou de evaluare (job #82641)

Compilare: user.cpp: In function ‘int main()’: user.cpp:39:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:40:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:60:9: warning: ‘t2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:65:9: warning: ‘w’ may be used uninitialized in this function [-Wuninitialized]