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Heap与stack的差别？
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考题
Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is(73)in computer systems.A．uselessB．not importantC．simple but importantD．too simple to be useful
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阅读以下说明C++代码，将应填入(n)处的字句写在对应栏内。[说明]以下程序的功能是实现堆栈的一些基本操作。堆栈类stack共有三个成员函数：empty判断堆栈是否为空；push进行人栈操作；pop进行出栈操作。[C++程序]include "stdafx. h"include ＜iostream, h＞eonst int maxsize = 6;class stack {float data[ maxsize];int top;public:stuck(void);～ stack(void);bool empty(void);void push(float a);float pop(void);};stack: :stack(void){ top =0;cout ＜ ＜ "stack initialized." ＜ ＜ endl;}stack:: ～stack(void) {cout ＜ ＜" stack destoryed." ＜ ＜ endl;bool stack:: empty (void) {return (1);void stack: :push(float a)if(top= =maxsize) {cout ＜ ＜ "Stack is full!" ＜ ＜ endl;return;data[top] =a;(2);}float stack:: pop (void){ if((3)){cout＜ ＜ "Stack is undcrflow !" ＜ ＜ endl;return 0;(4);return (5);}void main( ){ stack s;coat ＜ ＜ "now push the data:";for(inti=l;i =maxsize;i+ +) {cout＜ ＜i＜ ＜" ";s. push(i);}coat ＜ ＜ endl;cout＜ ＜ "now pop the data:";for(i = 1 ;i ＜ = maxsize ;i + + )cout＜ ＜s. pop()＜ ＜" ";}
考题
（ 15 ）请将下列栈类 Stack 补充完整class Stack{private:int pList[100]; // int 数组 , 用于存放栈的元素int top; // 栈顶元素 ( 数组下标 )public:Stack():top(0){}void Push(const int item); // 新元素 item 压入栈int Pop(void); // 将栈顶元素弹出栈};void Stack::Push(const int item){if(top == 99) // 如果栈满 , 程序终止exit(1);top++; // 栈顶指针增 1___________;}int Stack::Pop(){if(top0) // 如果栈空 , 程序终止exit(1);return pList[top--];}
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There are two common types in page replacement algorithm : stack and non-stack strategies.When a real page number increase only stack algorithm can increase the hit rate monotonously.In the following replacement algorithm, which one belongs to non-stack strategyA．FIFOB．LRUC．OPTD．non of above
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Some lawyers justified almost 100 percent of all marriages in the United States end up on the trash heap.()
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请将下列栈类Stack的横线处补充完整。class Stack{private:int pList[100]; ∥int数组，用于存放栈的元素int top; ∥栈顶元素(数组下标)public:Stack():top(0){}void Push(const int item); ∥新元素item
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有下列程序: include using namespace std; class Stack { public: Stack(unsigned
有下列程序： #include＜iosteram.h＞ using namespace std; class Stack { public: Stack(unsignedn=10):size(n){rep_=new int [size];top=O;} Stack(Stacks):size(s.size) { rep_=new int[size]; foA．4,3,2,1，B．4,3,6,7,2,1，C．4,3,6,2,1，D．1,2,3,4，
考题
The operation of removing an element from the stack is said to（ ）the stack.A. pop B. push C. store D. fetch
考题
● Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is （73）in computer systems.（73）A．uselessB．not importantC．simple but importantD．too simple to be useful
考题
The operation of removing an element from the stack is said to（ ）the stack.A.pop
B.push
C.store
D.fetch
考题
Which item is the great majority of software vulnerabilities that have been discovered？（）A、Stack vulnerabilitiesB、Heap overflowsC、Software overflowsD、Buffer overflows
考题
What is the action of "pop" in the context of MPLS switching？（）A、It removes the top label in the MPLS label stack.B、It adds a top label in MPLS label stack.C、It replaces the top label in the MPLS label stack with another value.D、It replaces the top label in the MPLS label stack with a set of labels.E、None of above.
考题
In Any Transport over MPLS （AtoM） Control word is an optional 4-byte field used in the pseudowire packet.The control word carries generic and Layer 2 payload-specific information to emulate L2 packets correctly.In pseudowire packet， where is this Control Word inserted？（）A、Inserted between the MPLS label stack and the Layer 3 payloadB、Inserted between the MPLS label stack and the Layer 3 HeaderC、Inserted between the MPLS label stack and the Layer 2 payloadD、Inserted between the MPLS label stack and the Layer 2 header
考题
Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）A、The stack bit will only be used when LDP is the label distribution protocolB、The label is the last entry in the label stack.C、The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.D、The stack bit is reserved for future use.
考题
单选题Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）A
The stack bit will only be used when LDP is the label distribution protocolB
The label is the last entry in the label stack.C
The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.D
The stack bit is reserved for future use.
考题
单选题What is the action of "pop" in the context of MPLS switching？（）A
It removes the top label in the MPLS label stack.B
It adds a top label in MPLS label stack.C
It replaces the top label in the MPLS label stack with another value.D
It replaces the top label in the MPLS label stack with a set of labels.E
None of above.
考题
单选题数组元素所占用的内存位于（）A
数据区（Data）B
代码区（Code）C
堆（Heap）D
堆栈（Stack）
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