Compilare: user.cpp: In function ‘int main()’: user.cpp:28:29: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=] printf("%u",exp_pow(n,p)); ^ user.cpp:24:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.in","r",stdin); ^ user.cpp:25:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.out","w",stdout); ^ user.cpp:27:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%u%u",&n,&p); ^