Compilare: user.cpp: In function ‘int main()’: user.cpp:22:31: warning: format ‘%f’ expects argument of type ‘float*’, but argument 5 has type ‘double*’ [-Wformat=] fscanf(f,"%d%d%f",&n,&m,&d); ^ user.cpp:14:15: warning: unused variable ‘ok’ [-Wunused-variable] int n,i,j,ok,li,m,ci,lf,cf; ^ user.cpp:15:12: warning: unused variable ‘nr’ [-Wunused-variable] double nr,sum,d; ^ user.cpp:15:15: warning: unused variable ‘sum’ [-Wunused-variable] double nr,sum,d; ^