Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:29:13: error: ‘n’ was not declared in this scope scanf("%d",&n); ^ user.cpp:30:6: error: ‘i’ was not declared in this scope for (i=1;i<=n;i++) { ^ user.cpp:31:20: error: ‘x’ was not declared in this scope scanf("%d %d",&x,&y); ^ user.cpp:31:23: error: ‘y’ was not declared in this scope scanf("%d %d",&x,&y); ^ user.cpp:27:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid2.in","r",stdin); ^ user.cpp:28:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid2.out","w",stdout); ^