Compilare: user.c: In function ‘main’: user.c:27:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.c:29:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^ user.c: In function ‘cbin’: user.c:19:5: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] return mij+1; ^