foo.cc: In function 'int main()':
foo.cc:9:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
    9 |   if(mp<1000)if((mp/100==mp%10&&mp/100!=9&&mp/100!=6&&(mp/100==1||mp%10==8))||(mp/100==9&&mp%1==6)||(mp/100==6&&mp%1==9))cnt++;
      |     ^
foo.cc: At global scope:
foo.cc:19:5: error: redefinition of 'int main()'
   19 | int main(){
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main(){
      |     ^~~~
foo.cc: In function 'int main()':
foo.cc:25:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
   25 |   if(mp<1000)if((mp/100==mp%10&&mp/100!=9&&mp/100!=6&&(mp/100==1||mp%10==8))||(mp/100==9&&mp%1==6)||(mp/100==6&&mp%1==9))cnt++;
      |     ^

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