Compilare: user.cpp: In function ‘int main()’: user.cpp:17:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secventa.in", "rt", stdin); ^ user.cpp:18:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secventa.out", "wt", stdout); ^ user.cpp: In function ‘int getInt()’: user.cpp:49:50: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, DIM, stdin), pos = 0; ^ user.cpp:54:50: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, DIM, stdin), pos = 0; ^ user.cpp: In function ‘int main()’: user.cpp:39:26: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << st << ' ' << dr << ' ' << maxi << '\n'; ^ user.cpp:39:13: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << st << ' ' << dr << ' ' << maxi << '\n'; ^