foo.c: In function 'main':
foo.c:73:117: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses]
   73 |                                                         s2[s0.data[k+1]]=(s2[s0.data[k]]-'0')|(s2[s0.data[k+1]]-'0')+'0';
      |                                                                                               ~~~~~~~~~~~~~~~~~~~~~~^~~~
foo.c:120:101: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses]
  120 |                                         s2[s0.data[k+1]]=(s2[s0.data[k]]-'0')|(s2[s0.data[k+1]]-'0')+'0';
      |                                                                               ~~~~~~~~~~~~~~~~~~~~~~^~~~

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