chengzi
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chengzi
栈是反向， 队列是正向。 负负得正， 两个栈可以模拟队列。 正正无法得负， 两个对立无法模拟栈， 队列一直会保持正向读取的顺序。
My android has this problem also, can anyone help solve this? And my android dns is set to `114.114.114.114`