Borderou de evaluare (job #261977)

Compilare: user.cpp: In function ‘int main()’: user.cpp:51:29: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] user.cpp:60:29: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] user.cpp:8:50: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:6:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]