Compilare: user.cpp: In function ‘int main()’: user.cpp:16:28: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(f,"%I64d",&n); ^ user.cpp:17:42: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(g,"%ld\n",(int)log2f(n)+1); ^ user.cpp:12:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&t); ^ user.cpp:16:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%I64d",&n); ^