题目内容
一个栈(Stack)对象有三种状态：S1——栈空；S2——栈非空也非满；S3——栈满。则各个状态的条件如下：S1：(t0)创建栈对象时初始化，这是系统做的(t1)在S2状态下执行置空运算setEmpty()(t2)在S3状态下执行置空运算setEmpty()(t3)在S2状态下执行出栈运算Pop()S2：(t4)在S1状态下执行进栈运算Push()(t5)在S3状态下执行出栈运算Pop()S3：(t6)在S2状态下执行进栈运算Push()为简化问题，假设栈Stack的容量为2，栈元素的数据类型为整数。要求： 计算该状态迁移图的MeCabe环路复杂性；
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Passage 3 Questions 11 to 15 are based on thefollowing passage:When the United States Congress createdYellowstone National Park in 1872, the goal was to set aside a place whereAmericans could enjoy the beauty of nature for years to come. Now, 142 years later, there are hundreds of national parks across thecountry, and technology is changing the way people experience them. Should parkvisitors be able to use cell phones, or should their use be restricted"Connectivity presents a realchallenge to all of us." Al Nash says. He is apublic affairs officer at Yellowstone National Park. He says cell phone serviceat Yellowstone is available in parts of the park with stores and campgrounds.This makes it easy for visitors to share photos of their trip on socialnetworking sites and to stay in touch with friends and family members. (80) If a nark visitor is hurt or in danger, cell phones make it easier to get help. Some say the ability to download applications that provide information aboutplants and animals in the park can enrich a visitor’s experience.Others say cell phones disturb people’senjoyment of our national parks. In their view, cell phone towers are aneyesore, and they’d rather hear the sound of birds than the ring of an incomingcall. Can you imagine looking out a peaceful lake or field of grass only to bedisturbed by a person shouting into their phone, "Can you hear menow" Nash says Yellowstone tries to strike abalance. "Ultimately, our job is to let visitors understand and enjoynature better while protecting what people find special about Yellowstone, andone of those things that’s special is the ability to get away from the hustleand bustle (喧嚣) of one’s daily life." According to the passage, which of the following statements about the cell phone service at Yellowstone is TRUE（）
论述题 试析西方人文主义起源与发展。
Themeeting is to begin at 4:00 p.m., but as assistants, we’re _______ to be there a bit earlier.
有一段小程序，对数组A[n]中所有正整数和负整数求累加和，negat和posit分别返回负整数和正整数的累加和。int maxInt=32767，minInt=-32768；negat=0；posit=0；for(int i=0；i＜n；i++) if(A[i]＜0＆＆A[i]＞=minInt-negat)negat=negat+A[i]；else if(A[i]＞0＆＆A[i]＜=maxInt-posit)posit=posit+A[i]；可能的测试路径数是（）。
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