Compilare: main.c: In function 'main': main.c:14:16: warning: unused variable 'j' [-Wunused-variable] int test,i,n,j,secv=0; ^ main.c:15:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&test,&n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:17:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^~~~~~~~~~~~~~~~~~~~~~