Compilare: user.c: In function ‘main’: user.c:8:30: warning: unused variable ‘s’ [-Wunused-variable] int n,t,i,l1,l2,k,x,bere,s,pers,p,m,j,val; ^ user.c:8:25: warning: unused variable ‘bere’ [-Wunused-variable] int n,t,i,l1,l2,k,x,bere,s,pers,p,m,j,val; ^ user.c:8:21: warning: unused variable ‘k’ [-Wunused-variable] int n,t,i,l1,l2,k,x,bere,s,pers,p,m,j,val; ^ user.c:11:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&t); ^ user.c:13:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&c[i]); ^ user.c:17:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&pers,&x); ^