int i = 0, j = 0, k = left; // i:左数组指针, j:右数组指针, k:原数组指针
Dan told the BBC the monitoring and caring for a severely disabled child meant neither he or his partner got much sleep, were exhausted and also had two other children to care for.
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The original text
小德表示，这是自己第一次开电车回乡，整体的驾驶感受远远超过了预期。