初级程序员问答集考试卷模拟.考试题

1、姓名：_ 班级：_ 学号：_-密-封 -线- 初级程序员问答集考试卷模拟.考试题考试时间：120分钟 考试总分：100分题号一二三四五总分分数遵守考场纪律，维护知识尊严，杜绝违纪行为，确保考试结果公正。1、阅读下列说明和c+程序，将应填入(n)处的字句写在对应栏内。【程序1说明】程序1中定义了数组的类模板，该模板使得对于任意类型的二维数组，可以在访问数组元素的同时，对行下标和列下标进行越界判断，并给出相应的提示信息(c+语言本身不提供对下标越界的判断)。【程序1】#include iostream. h template class t class array2d;template class

2、 t class array2dbody friend(1);t *tempbody;int irows, icolumns, icurrentrow;array2dbody(int rows,int cols) tempbody=(2);irows =rows;icolumns = cols;icurrentrow = -1;public:t& operator (int j)bool row_ error, column_error;row_ error = column_ error = false;tryif ( icurrentrow 0icurrentrow =irows)row_

3、 error = true;if( j 0j = icolumns)column_error = true;if( row_error = true column_ error = = true)(3);catch(char) if (row_error = = true)cerr “行下标越界”“ icurrentrow “”;if( colmnn_error = = true)cerr ”列下标越界“ j ”;cout ”/n”;returntempbody icurrentrow * icolumns + j ; array2 dbody ( ) delete tempbody; ;te

4、mplate class t class array2d array2dbody t tbody;public:array2dbody t & operalor (int i) tbody, icurreutrow = i;(4);array2d(introws,int cols):(5) ;void main( )array2d int al ( 10,20 );array2d doublea2(3,5);int bl;doubleb2;b1=a1-510；/有越界提示：行下标越界-5b1=a11015；/有越界提示：行下标越界10b1=a114；/没有越界提示b2=a226；/有越界提示：

5、列下标越界6b2=a21020；/有越界提示：行下标越界10列下标越界20b2=a214；/没有越界提示（ ）2、阅读下列说明和c+程序，将应填入(n)处的字句写在对应栏内。【程序1说明】程序1中定义了数组的类模板，该模板使得对于任意类型的二维数组，可以在访问数组元素的同时，对行下标和列下标进行越界判断，并给出相应的提示信息(c+语言本身不提供对下标越界的判断)。【程序1】#include iostream. h template class t class array2d;template class t class array2dbody friend(1);t *tempbody;int

6、 irows, icolumns, icurrentrow;array2dbody(int rows,int cols) tempbody=(2);irows =rows;icolumns = cols;icurrentrow = -1;public:t& operator (int j)bool row_ error, column_error;row_ error = column_ error = false;tryif ( icurrentrow 0icurrentrow =irows)row_ error = true;if( j 0j = icolumns)column_error

7、 = true;if( row_error = true column_ error = = true)(3);catch(char) if (row_error = = true)cerr “行下标越界”“ icurrentrow “”;if( colmnn_error = = true)cerr ”列下标越界“ j ”;cout ”/n”;returntempbody icurrentrow * icolumns + j ; array2 dbody ( ) delete tempbody; ;template class t class array2d array2dbody t tbo

8、dy;public:array2dbody t & operalor (int i) tbody, icurreutrow = i;(4);array2d(introws,int cols):(5) ;void main( )array2d int al ( 10,20 );array2d doublea2(3,5);int bl;doubleb2;b1=a1-510；/有越界提示：行下标越界-5b1=a11015；/有越界提示：行下标越界10b1=a114；/没有越界提示b2=a226；/有越界提示：列下标越界6b2=a21020；/有越界提示：行下标越界10列下标越界20b2=a214；/

9、没有越界提示（ ）3、阅读下列说明和c+程序，将应填入(n)处的字句写在对应栏内。【程序1说明】程序1中定义了数组的类模板，该模板使得对于任意类型的二维数组，可以在访问数组元素的同时，对行下标和列下标进行越界判断，并给出相应的提示信息(c+语言本身不提供对下标越界的判断)。【程序1】#include iostream. h template class t class array2d;template class t class array2dbody friend(1);t *tempbody;int irows, icolumns, icurrentrow;array2dbody(int

10、rows,int cols) tempbody=(2);irows =rows;icolumns = cols;icurrentrow = -1;public:t& operator (int j)bool row_ error, column_error;row_ error = column_ error = false;tryif ( icurrentrow 0icurrentrow =irows)row_ error = true;if( j 0j = icolumns)column_error = true;if( row_error = true column_ error = =

11、 true)(3);catch(char) if (row_error = = true)cerr “行下标越界”“ icurrentrow “”;if( colmnn_error = = true)cerr ”列下标越界“ j ”;cout ”/n”;returntempbody icurrentrow * icolumns + j ; array2 dbody ( ) delete tempbody; ;template class t class array2d array2dbody t tbody;public:array2dbody t & operalor (int i) tbo

12、dy, icurreutrow = i;(4);array2d(introws,int cols):(5) ;void main( )array2d int al ( 10,20 );array2d doublea2(3,5);int bl;doubleb2;b1=a1-510；/有越界提示：行下标越界-5b1=a11015；/有越界提示：行下标越界10b1=a114；/没有越界提示b2=a226；/有越界提示：列下标越界6b2=a21020；/有越界提示：行下标越界10列下标越界20b2=a214；/没有越界提示（ ）4、阅读下列说明和c+程序，将应填入(n)处的字句写在对应栏内。【程序1说

13、明】程序1中定义了数组的类模板，该模板使得对于任意类型的二维数组，可以在访问数组元素的同时，对行下标和列下标进行越界判断，并给出相应的提示信息(c+语言本身不提供对下标越界的判断)。【程序1】#include iostream. h template class t class array2d;template class t class array2dbody friend(1);t *tempbody;int irows, icolumns, icurrentrow;array2dbody(int rows,int cols) tempbody=(2);irows =rows;icolum

14、ns = cols;icurrentrow = -1;public:t& operator (int j)bool row_ error, column_error;row_ error = column_ error = false;tryif ( icurrentrow 0icurrentrow =irows)row_ error = true;if( j 0j = icolumns)column_error = true;if( row_error = true column_ error = = true)(3);catch(char) if (row_error = = true)cerr “行下标越界”“ icurrentrow “”;if( colmnn_error = = true)cerr ”列下标越界“ j ”;cout ”/n”;returntempbody icurrentrow * icolumns + j ; array2 dbody ( ) delete tempbody; ;template class t class array2d array2dbody t tbody;public:array2dbody t & operalor (int i) tbody, icurreutrow = i;(4);array2d(introws,i