Compilare: user.cpp: In function ‘int main()’: user.cpp:65:23: warning: format ‘%lli’ expects argument of type ‘long long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(g,"%lli",s); ^ user.cpp:50:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j=n+2-k; ^ user.cpp:35:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%i %i %i",&t,&n,&k); ^