message: Update maximum-number-of-ones.cpp
diff: @@ -8,8 +8,8 @@ public:
  swap(width, height);
  }
  - int R = height / sideLength, r = height % sideLength;
  - int C = width / sideLength, c = width % sideLength;
  + const auto& R = height / sideLength, &r = height % sideLength;
  + const auto& C = width / sideLength, &c = width % sideLength;
  assert(R <= C);
  vector<pair<int, int>> area_counts = {{r * c, (R + 1) * (C + 1)},
  {r * (sideLength - c), (R + 1) * C},
  