Compilare: user.cpp: In function ‘int main()’: user.cpp:38:21: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] fscanf(f,"%d",&x); ^ user.cpp:77:31: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Wformat=] fprintf(g,"%d %d\n",nr,sum); ^ user.cpp:12:6: warning: unused variable ‘n’ [-Wunused-variable] long n,i,nr=0,x,j,pp,xx; ^