Compilare: user.cpp: In function ‘int main()’: user.cpp:6:34: 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:7:36: 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:24:41: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << maxx << " " << st << " " << dr << "\n"; ^ user.cpp:24:28: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << maxx << " " << st << " " << dr << "\n"; ^