Compilare: user.cpp: In function ‘int main()’: user.cpp:14:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("rj.in","r",stdin); ^ user.cpp:15:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("rj.out","w",stdout); ^ user.cpp:112:32: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<min<<" "<<x1<<" "<<y1; ^ user.cpp:112:21: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<min<<" "<<x1<<" "<<y1; ^