message: Update minimum-recolors-to-get-k-consecutive-black-blocks.cpp
diff: @@ -12,7 +12,7 @@ public:
  continue;
  }
  result = min(result, curr);
  - curr -= static_cast<int>(blocks[i] == 'W');
  + curr -= static_cast<int>(blocks[i + 1 - k] == 'W');
  }
  return result;
  }
  