Borderou de evaluare (job #120788)

Compilare: user.cpp: In function ‘int main()’: user.cpp:6:13: warning: unused variable ‘f’ [-Wunused-variable] user.cpp:6:19: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:4:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:5:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:32: warning: ‘p’ may be used uninitialized in this function [-Wuninitialized]