message: Update binary-tree-cameras.cpp
diff: @@ -28,7 +28,10 @@ private:
  ++(*result);
  return CAMERA;
  }
  - return (left == CAMERA || right == CAMERA) ? COVERED : UNCOVERED;
  + if (left == CAMERA || right == CAMERA) {
  + return COVERED;
  + }
  + return UNCOVERED;
  }
  enum NODE {
  