/in/foo.cc: In function 'bool check1()':
/in/foo.cc:10:28: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   10 |                 if(ta[i]==0&&tb[i]!=0||ta[i]!=0&&tb[i]==0)
      |                    ~~~~~~~~^~~~~~~~~~
/in/foo.cc: In function 'bool check2()':
/in/foo.cc:18:25: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   18 |                 if((i==0&&a[i]>1||i>1&&a[i]>0)&&a[i+1]<9)
      |                     ~~~~^~~~~~~~
/in/foo.cc:35:25: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   35 |                 if((i==0&&b[i]>1||i>1&&b[i]>0)&&b[i+1]<9)
      |                     ~~~~^~~~~~~~