Borderou de evaluare (job #4641)

Compilare: user.cpp: In function ‘int main()’: user.cpp:15:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses] user.cpp:5:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:6: warning: ‘d’ is used uninitialized in this function [-Wuninitialized]