Compilare: user.cpp: In function ‘bool OK(long long int)’: user.cpp:14:15: warning: unused variable ‘maxPi’ [-Wunused-variable] long long maxPi = n - noT2 * 2 * i; ^ user.cpp: In function ‘int main()’: user.cpp:37:36: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 4 has type ‘long int*’ [-Wformat=] scanf("%lld%lld%lld", &N, &T1, &P); ^ user.cpp:35:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("proc.in", "r", stdin); ^ user.cpp:36:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("proc.out", "w", stdout); ^ user.cpp:37:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld", &N, &T1, &P); ^