Borderou de evaluare (job #31781)

Compilare: user.cpp: In function ‘int main()’: user.cpp:6:13: warning: variable ‘d’ set but not used [-Wunused-but-set-variable] user.cpp:6:32: warning: unused variable ‘num1’ [-Wunused-variable] user.cpp:4:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:5:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]