Borderou de evaluare (job #283789)

Compilare: user.cpp: In function 'int main()': user.cpp:8:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:14:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:34:5: warning: 'p3' may be used uninitialized in this function [-Wuninitialized] user.cpp:34:5: warning: 'p1' may be used uninitialized in this function [-Wuninitialized] user.cpp:34:5: warning: 'p4' may be used uninitialized in this function [-Wuninitialized] user.cpp:34:5: warning: 'p2' may be used uninitialized in this function [-Wuninitialized]