Compilare: main.c: In function 'main': main.c:30:11: warning: unused variable 'x' [-Wunused-variable] int c,i,x,d,dr; ^ main.c:31:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&c,&n); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:33:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^~~~~~~~~~~~~~~~~~~~~~