/in/foo.cc: In function 'int main()':
/in/foo.cc:15:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    for(int i=1;i<=n;i++)
    ^~~
/in/foo.cc:18:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(int i=n-1;i>=1;i--)
  ^~~