Number (6): Everything in this space must add up to 6. The answer is 1-3, placed vertically; 3-0, placed vertically.
arr[k++] = leftArr[i++];
，更多细节参见雷电模拟器官方版本下载
// 易错点4：错误弹出栈顶 → 破坏独立车队的时间记录，导致结果错误。heLLoword翻译官方下载对此有专业解读
Виктория Кондратьева (Редактор отдела «Мир»)
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