Compilare: user.cpp: In function ‘int main()’: user.cpp:22:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] fscanf(f,"%d %d",&n,&m); ^ user.cpp:22:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long int*’ [-Wformat=] user.cpp:20:16: warning: unused variable ‘j’ [-Wunused-variable] long n,m,i,j,a[nmax],b[nmax],nr=1,k; ^ user.cpp:20:39: warning: unused variable ‘k’ [-Wunused-variable] long n,m,i,j,a[nmax],b[nmax],nr=1,k; ^ user.cpp:22:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&m); ^ user.cpp:24:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&a[i]); ^ user.cpp:26:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&b[i]); ^ user.cpp:29:58: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld %ld %ld",&v[i].s,&v[i].in,&v[i].sf); ^