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[单选题]When plane sweep has reached this place as the image below shows, how many push and pop operations have been done?W9l答案窝(daanwo.com)-大学生作业答案及考资分享平台
对下面的多边形进行扫描时，请问栈中完成了多少次push操作？多少次pop操作？W9l答案窝(daanwo.com)-大学生作业答案及考资分享平台
W9l答案窝(daanwo.com)-大学生作业答案及考资分享平台
A5, 3W9l答案窝(daanwo.com)-大学生作业答案及考资分享平台
B6, 4W9l答案窝(daanwo.com)-大学生作业答案及考资分享平台
C6, 3W9l答案窝(daanwo.com)-大学生作业答案及考资分享平台
D5, 4

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