Compilare: user.cpp: In function ‘LL f(LL)’: user.cpp:37:8: warning: unused variable ‘inml’ [-Wunused-variable] LL inml = 0; ^ user.cpp:38:8: warning: unused variable ‘sqr’ [-Wunused-variable] LL sqr = sqrt((double)n); ^ user.cpp: In function ‘int main()’: user.cpp:54:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cntgcd.in", "r", stdin); ^ user.cpp:55:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cntgcd.out", "w", stdout); ^ user.cpp:57:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld", &n, &d); ^