Compilare: user.cpp: In function ‘int main()’: user.cpp:42:13: warning: unused variable ‘zerouri’ [-Wunused-variable] int zerouri = 0; ^ user.cpp:10:14: warning: unused variable ‘d’ [-Wunused-variable] int poz, d, e, n, nrdiv, sum, i, ok; ^ user.cpp:10:38: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int poz, d, e, n, nrdiv, sum, i, ok; ^ user.cpp:8:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("grad.in", "r", stdin); ^ user.cpp:9:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("grad.out", "w", stdout); ^