Borderou de evaluare (job #519550)

Compilare: user.cpp: In function 'int main()': user.cpp:70:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:71:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:74:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:84:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:78:9: warning: 'bi' may be used uninitialized in this function [-Wuninitialized] user.cpp:78:9: warning: 'ai' may be used uninitialized in this function [-Wuninitialized]