Borderou de evaluare (job #298167)

Compilare: user.cpp: In function 'int main()': user.cpp:31:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:32:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:34:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function 'int mx(int)': user.cpp:18:12: warning: 'val' may be used uninitialized in this function [-Wuninitialized] user.cpp: In function 'int main()': user.cpp:49:33: warning: 'val' may be used uninitialized in this function [-Wuninitialized] user.cpp:48:26: warning: 'val' may be used uninitialized in this function [-Wuninitialized]