foo.cc: In function 'int main()':
foo.cc:19:38: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   19 |    if(sum[ii]<sum[j]||sum[ii]==sum[j]&&Ch[ii]<Ch[j]||sum[ii]==sum[j]&&Ch[ii]==Ch[j]&&num[ii]>num[j])
      |                       ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
foo.cc:19:84: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   19 |    if(sum[ii]<sum[j]||sum[ii]==sum[j]&&Ch[ii]<Ch[j]||sum[ii]==sum[j]&&Ch[ii]==Ch[j]&&num[ii]>num[j])
      |                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~

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