Borderou de evaluare (job #202800)

Compilare: user.cpp: In function ‘int main()’: user.cpp:35:10: warning: unused variable ‘a’ [-Wunused-variable] user.cpp:36:10: warning: unused variable ‘b’ [-Wunused-variable] user.cpp:42:7: warning: unused variable ‘pow3’ [-Wunused-variable] user.cpp:42:17: warning: unused variable ‘pow5’ [-Wunused-variable] user.cpp:27:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:34:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]