To be truly well, we should _______ previous physical and emotional limits so that we could feel more balanced and healthy. A: push past B: push over C: push back D: push forward

输入序列为ABC，可以变为CBA时，经过的栈操作为: push,pop,push,pop,push,pop|push,pop,push,push,pop,pop|push,push,pop,pop,push,pop|push,push,push,pop,pop,pop

输入序列为abc,若输出序列为bca,经过的栈操作为( ) A: push,pop,push,pop,push,pop B: push,push,push,pop,pop,pop C: push,push,pop,push,pop,pop D: push,pop,push,push,pop,pop

Which one is the essential of Sanqi Sanluo? A: Raise palms and push them upwards. Do not relax knees. Keep the strength under control. B: Lift with upward palms,cross palms and separate hands outwards C: Concentrate strength on arms ,push forward D: Slowly raise the arms with straight elbows, push forward arms and squat down, pull back with strength, and then stand up.

设有一个空栈，现有输入序列1，2，3，4，5，经过push，push，pop，push，pop，push，push后，输出序列是_________

设有一个空栈，现有输入序列为1，2，3，4，5，经过PUSH，PUSH，POP，PUSH，POP，PUSH，PUSH后，输出序列是 。

设有一空栈，现有输入序列（1，2，3，4，5），经过push, push, pop, push, pop, push, push, pop, pop, pop后，输出序列是

在空的顺序栈中，依次执行操作：push(a); push(b); pop(); push(x); push(y); pop(); push(z)。栈顶元素是： 。

PUSH业务根据承载方式不同可以分为在线PUSH和离线PUSH。

设有一个空栈，现有输入序列1，2，3，4，5，经过push，push，pop，push，pop，push，push后，输出序列是（）。 A: 12 B: 23 C: 24 D: 25