Compilare: main.c: In function 'main': main.c:9:13: warning: unused variable 'j' [-Wunused-variable] int n,i,j,k,nt,c2,c,p,r,ok; ^ main.c:10:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&k); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:12:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a[i]); ^~~~~~~~~~~~~~~~~~~~~~