Borderou de evaluare (job #54106)

Compilare: user.cpp: In function ‘int Cb(int)’: user.cpp:9:19: warning: unused variable ‘ma’ [-Wunused-variable] user.cpp: In function ‘int main()’: user.cpp:26:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:27:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:29:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int Cb(int)’: user.cpp:22:12: warning: ‘last’ may be used uninitialized in this function [-Wuninitialized] user.cpp: In function ‘int main()’: user.cpp:37:20: warning: ‘last’ may be used uninitialized in this function [-Wuninitialized]