若在类Number中用友元函数重载了乘法运算符“*”,则下列该重载函数说明中正确的是( )。 A: Number& operator*( Number&, Number&); B: Number& operator*( Number&); C: friend Number& operator*( Number&); D: friend Number& operator*( Number&, Number&);
若在类Number中用友元函数重载了乘法运算符“*”,则下列该重载函数说明中正确的是( )。 A: Number& operator*( Number&, Number&); B: Number& operator*( Number&); C: friend Number& operator*( Number&); D: friend Number& operator*( Number&, Number&);
如下程序声明了一个电话号码类PhoneNumber，重载了流插入运算符<;<;，以便于电话号码的输出。请将程序补充完整。#include<;iostream>;#include<;iomanip>;#include<;string>;using namespace std;class PhoneNumber{public: void setNumber(string number){this->;number=number;}//重载流插入操作符 friend <;span style="text-decoration: underline;">; <;/span>;(ostream &output,const PhoneNumber &num) {output<;<;num.number;return output;}private: string number;};int main(){ PhoneNumber phone; phone.setNumber("8008100598"); cout<;<;"The phone number is:"<;<;phone<;<;endl; return 0;}
如下程序声明了一个电话号码类PhoneNumber，重载了流插入运算符<;<;，以便于电话号码的输出。请将程序补充完整。#include<;iostream>;#include<;iomanip>;#include<;string>;using namespace std;class PhoneNumber{public: void setNumber(string number){this->;number=number;}//重载流插入操作符 friend <;span style="text-decoration: underline;">; <;/span>;(ostream &output,const PhoneNumber &num) {output<;<;num.number;return output;}private: string number;};int main(){ PhoneNumber phone; phone.setNumber("8008100598"); cout<;<;"The phone number is:"<;<;phone<;<;endl; return 0;}
If the L/C stipulates that:47A:CREDIT NUMBER AND NAME OF ISSUING BANK MUST APPEAR ON ALL DOCUMENTS.what are the documents the information above should be stated on? A: Commercial Invoice&Packing List B: Draft & Shipping advice& Bill of lading C: Certificate of Origin GSP Form A & Insurance policy D: Shipping order & Dock receipt
If the L/C stipulates that:47A:CREDIT NUMBER AND NAME OF ISSUING BANK MUST APPEAR ON ALL DOCUMENTS.what are the documents the information above should be stated on? A: Commercial Invoice&Packing List B: Draft & Shipping advice& Bill of lading C: Certificate of Origin GSP Form A & Insurance policy D: Shipping order & Dock receipt
创建一条弧线的函数是（ ）。 A: arc(number x, number y, number r, number sAngle, number eAngle, boolean counterclockwise) B: rect(number x, number y, number width, number height) C: arcTo(number x1, number y1, number x2, number y2, number radius) D: fillRect(number x, number y, number width, number height)
创建一条弧线的函数是（ ）。 A: arc(number x, number y, number r, number sAngle, number eAngle, boolean counterclockwise) B: rect(number x, number y, number width, number height) C: arcTo(number x1, number y1, number x2, number y2, number radius) D: fillRect(number x, number y, number width, number height)
中国大学MOOC: Please tell us &shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;________________ thegoods will be transshipped.
中国大学MOOC: Please tell us &shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;&shy;________________ thegoods will be transshipped.
下面程序段运行结果是____。 A: B: &˽&˽&* C: D: ˽&˽&˽&˽* E: F: &&&* G: H: ＆˽*˽˽
下面程序段运行结果是____。 A: B: &˽&˽&* C: D: ˽&˽&˽&˽* E: F: &&&* G: H: ＆˽*˽˽
以下运算符优先级排列正确的是（ ） A: *= &&！= % B: *= % &&！= C: %！= && *= D: &&！= % *=
以下运算符优先级排列正确的是（ ） A: *= &&！= % B: *= % &&！= C: %！= && *= D: &&！= % *=
若图中直线，，的斜率分别为，，，则( ) A: $amp;$amp; B: $amp;$amp; C: $amp;$amp; D: $amp;$amp;
若图中直线，，的斜率分别为，，，则( ) A: $amp;$amp; B: $amp;$amp; C: $amp;$amp; D: $amp;$amp;
\(A\)同上题,将其对角化\(A=S\Lambda S^{-1}\)的方阵\(S\)可以是 A: \(\begin{pmatrix} 1 & 1 & 1 & 1 \\ 1 & 1 & 1 & 0 \\ 1 & 1 & 0 & 0 \\ 1 & 0 & 0 & 0 \end{pmatrix}\) B: \(\begin{pmatrix} 1 & 0 & 0 & 0 \\ 0 & 0 & 1 & 0 \\ 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 1 \end{pmatrix}\) C: \(\begin{pmatrix} 1 & 0 & 0 & -1 \\ 0 & 1 & -1 & 0 \\ 0 & 1 & 1 & 0 \\ 1 & 0 & 0 & 1 \end{pmatrix}\)
\(A\)同上题,将其对角化\(A=S\Lambda S^{-1}\)的方阵\(S\)可以是 A: \(\begin{pmatrix} 1 & 1 & 1 & 1 \\ 1 & 1 & 1 & 0 \\ 1 & 1 & 0 & 0 \\ 1 & 0 & 0 & 0 \end{pmatrix}\) B: \(\begin{pmatrix} 1 & 0 & 0 & 0 \\ 0 & 0 & 1 & 0 \\ 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 1 \end{pmatrix}\) C: \(\begin{pmatrix} 1 & 0 & 0 & -1 \\ 0 & 1 & -1 & 0 \\ 0 & 1 & 1 & 0 \\ 1 & 0 & 0 & 1 \end{pmatrix}\)
下列运算符中，优先级从高到低依次为（ ） A: && ! || B: || && ! C: && || ! D: ! && ||
下列运算符中，优先级从高到低依次为（ ） A: && ! || B: || && ! C: && || ! D: ! && ||