Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:10:18: error: ‘n’ was not declared in this scope scanf ("%d",&n); ^ user.cpp:12:9: error: ‘i’ was not declared in this scope for(i=1;i<=n;i++) ^ user.cpp:14:24: error: ‘x’ was not declared in this scope scanf ("%d%d",&x,&y); ^ user.cpp:14:27: error: ‘y’ was not declared in this scope scanf ("%d%d",&x,&y); ^ user.cpp:7:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ben.in","r",stdin); ^ user.cpp:8:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ben.out","w",stdout); ^