foo.c: In function 'main':
foo.c:8:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    8 |  if(x=x1==0)
      |     ^
foo.c:10:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   10 |  if(x=x1)
      |     ^
foo.c:6:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    6 |  scanf("%d",&x);
      |  ^~~~~~~~~~~~~~

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