Compilare: user.cpp: In function ‘void factoriale(long long int, long long int)’: user.cpp:14:15: warning: unused variable ‘nrx’ [-Wunused-variable] long long nrx = 1; ^ user.cpp: In function ‘void citire()’: user.cpp:41:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld\n", &p); ^ user.cpp:43:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c", &tmp); ^ user.cpp:57:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c", &tmp); ^ user.cpp: In function ‘int main()’: user.cpp:124:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("spion.in", "r", stdin); ^ user.cpp:125:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("spion.out", "w", stdout); ^