Compilare: user.cpp: In function ‘int main()’: user.cpp:20:36: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘long unsigned int’ [-Wformat=] fprintf(g,"%lld",powtt(a%p,b)%p); ^ user.cpp:17:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld %lld",&a,&b); ^