/in/foo.cc: In function 'int main()':
/in/foo.cc:11:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if (nn[i]!=nn[i+1]);
   ^~
/in/foo.cc:12:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   {
   ^
/in/foo.cc:13:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    if (nn[i]==b);
    ^~
/in/foo.cc:14:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    {
    ^
/in/foo.cc:22:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
      if (nn[i-1]==r);
      ^~
/in/foo.cc:23:6: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
      {
      ^