/in/foo.cc: In function 'bool hui(long long int)':
/in/foo.cc:5:8: error: 'n' was not declared in this scope
int i=n,m=0;
^
/in/foo.cc:7:3: error: 'm' was not declared in this scope
m=m*10+i%10;
^
/in/foo.cc:10:12: error: 'm' was not declared in this scope
return n==m;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:17:4: error: 'sum' was not declared in this scope
sum++;
^~~
/in/foo.cc:20:5: error: 'sum' was not declared in this scope
if(sum==0){
^~~
/in/foo.cc:24:8: error: 'sum' was not declared in this scope
cout<<sum<<endl;
^~~