Borderou de evaluare (job #53137)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:5: warning: ‘a’ may be used uninitialized in this function [-Wuninitialized] user.cpp:26:5: warning: ‘q’ may be used uninitialized in this function [-Wuninitialized] user.cpp:50:30: warning: ‘q1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:35:23: warning: ‘p1’ may be used uninitialized in this function [-Wuninitialized]