Borderou de evaluare (job #230667)

Compilare: user.cpp: In function ‘int main()’: user.cpp:30:10: warning: unused variable ‘s’ [-Wunused-variable] user.cpp:31:15: warning: unused variable ‘y’ [-Wunused-variable] user.cpp:31:17: warning: unused variable ‘r’ [-Wunused-variable] user.cpp:31:23: warning: unused variable ‘st’ [-Wunused-variable] user.cpp:31:26: warning: unused variable ‘dr’ [-Wunused-variable] user.cpp:31:29: warning: unused variable ‘last’ [-Wunused-variable] user.cpp:31:34: warning: unused variable ‘mid’ [-Wunused-variable] user.cpp:33:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:34:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:49:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]