Borderou de evaluare (job #301512)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:43: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:11:6: warning: variable ‘h’ set but not used [-Wunused-but-set-variable] user.cpp:7:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:11: warning: ‘n’ may be used uninitialized in this function [-Wuninitialized]