foo.cc: In function 'int main()':
foo.cc:6:29: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    6 |         while (p) t|=1<<p%10-1,p/=10;
      |                         ~~~~^~
foo.cc:7:29: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    7 |         while (j) t|=1<<j%10-1,j/=10;
      |                         ~~~~^~
foo.cc:8:29: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    8 |         while (k) t|=1<<k%10-1,k/=10;
      |                         ~~~~^~

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