Compilare: main.c: In function 'main': main.c:18:14: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] x=x+(1<<n-i); ~^~ main.c:27:12: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] x=x<<32-n;x=x>>32-n; ~~^~ main.c:27:22: warning: suggest parentheses around '-' inside '>>' [-Wparentheses] x=x<<32-n;x=x>>32-n; ~~^~ main.c:14:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &n); ^~~~~~~~~~~~~~~~~~~~