Compilare: user.cpp: In function ‘int main()’: user.cpp:6:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("ssm.in", "r", stdin); ^ user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("ssm.out", "w", stdout); ^ user.cpp:31:58: warning: ‘UtilityL’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << MAXIsum << " " << UtilityF << " " << UtilityL; ^ user.cpp:31:31: warning: ‘UtilityF’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << MAXIsum << " " << UtilityF << " " << UtilityL; ^