/in/foo.cc: In function 'int main()':
/in/foo.cc:10:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=0;i<10;i++)
  ^~~
/in/foo.cc:12:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   cout<<sum;
   ^~~~
/in/foo.cc:11:19: warning: 'sum' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if(x>=a[i])sum++;
                   ^