Borderou de evaluare (job #517385)

Compilare: user.cpp: In function 'int main()': user.cpp:51:34: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses] user.cpp:9:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:51:17: warning: 'cate2' may be used uninitialized in this function [-Wuninitialized] user.cpp:51:17: warning: 'cate1' may be used uninitialized in this function [-Wuninitialized]