Compilare: user.c: In function ‘bin’: user.c:8:13: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] pas = z + 1<<L; ^ user.c: In function ‘main’: user.c:25:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&n); ^ user.c:27:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&v[i]); ^