Compilare: user.c: In function ‘main’: user.c:7:24: warning: unused variable ‘valid’ [-Wunused-variable] int n,k,i,ad,min,j,valid,max,inceput,sfarsit,prim,ultim; ^ user.c:7:22: warning: unused variable ‘j’ [-Wunused-variable] int n,k,i,ad,min,j,valid,max,inceput,sfarsit,prim,ultim; ^ user.c:7:18: warning: unused variable ‘min’ [-Wunused-variable] int n,k,i,ad,min,j,valid,max,inceput,sfarsit,prim,ultim; ^ user.c:7:15: warning: unused variable ‘ad’ [-Wunused-variable] int n,k,i,ad,min,j,valid,max,inceput,sfarsit,prim,ultim; ^ user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&n,&k); ^ user.c:14:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^