下列程序的执行结果是： def f2 （my_dict): temp = '' for key in my_dict: if temp ＜ key: temp = key return temp a_dict = {'bill':1,'rich':2,'fred':10,'walter':20} print f2（a_dict)
下列程序的执行结果是： def f2 （my_dict): temp = '' for key in my_dict: if temp ＜ key: temp = key return temp a_dict = {'bill':1,'rich':2,'fred':10,'walter':20} print f2（a_dict)
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阅读以下程序说明和C++程序，将程序段中(1)～(5)空缺处的语句填写完整。【说明】以下【C++程序】实现一个简单的小型复数类MiniComplex，该复数类能进行输入、输出、复数的加法、减法、乘法和除法运算，还可以进行复数的相等比较。【C++程序】ifndef H_MiniComplexdefine H_MiniComplexinclude ＜iostream＞using namespace std;class MiniComplex{public: //重载流插入和提取运算符(1) ostreamoperator＜＜(ostream osObject,const MiniComplexcomplex){osObject＜＜"("＜＜complex.realPart＜＜"+"＜＜complex.imagPart＜＜"i"＜＜")";return osObject;}(2) istreamoperator＞＞(istreamisObject, MiniComplexcomplex){char ch;isObject ＞＞complex.realPart＞＞ch＞＞complex.imagPart＞＞ch;return isObject;}MiniComplex(double real=0,double imag=0); //构造函数MiniComplex operator+(const MiniComplexotherComplex)const; //重载运算符+MiniComplex operator-(const MiniComplexotherComplex)const; //重载运算符-MiniComplex operator*(const MiniComplexotherComplex)const; //重载运算符*MiniComplex operator/(const MiniComplexotherComplex)const; //重载运算符/bool perator==(const MiniComplexotherComplex)const; //重载运算符==private :double (3);double imagPart;};end ifinclude "MiniComplex.h"bool MiniComplex::operator==(const MiniComplexotherComplex)const{return(realPart==otherComplex.realPartimagPart==ortherComplex.imagPart);}MiniComplex::MiniComplex(double real,double imag){realPart== real; imagPart==imagPart;}MiniComplex MiniComplex::operator+(const MiniComplexotherComplex)const{MiniComplex temp;temp.realPart = realPart+ortherComplex. realPart;temp.imagPart = imagPart +ortherComplex. imagPart;return temp;}(4){ MiniComplex temp;temp.realPart= realPart-ortherComplex. realPart;temp.imagPart = imagPart-ortherComplex. imagPart;return temp;}MiniComplex MiniComplex::operator*(const MiniComplexotherComplex)const{MiniComplex temp;temp.realPart = (realPart*ortherComplex. realPart)-(imagPart *ortherComplex.imagPart);temp.imagPart = (realPart*ortherComplex. imagPart)+(imagPart *ortherComplex.realPart);return temp;}MiniComplex MiniComplex::operator/(const MiniComplexotherComplex)const{MiniComplex temp;float tt;tt=1/(ortherComplex.realPart*ortherComplex.realPart+ortherComplex.imagPart *ortherComplex. imagPart);temp.realPart=((realPart*ortherComplex, realPart)+(imagPart *ortherComplex. imagPart))*tt;temp.imagPart =((imagPart *ortherComplex. realPart)-(realPart*ortherComplex. imagPart))*tt;return temp;}include ＜iostream＞include ＜MiniComplex.h＞using namespace std;int main(){MiniComplex numl(23, 34),num2(56, 35);cout＜＜"Initial Value of num1="＜＜num1＜＜"\n Initial Value of num2="＜＜num2＜＜end1;cout＜＜num1＜＜"+"＜＜num2＜＜"="＜＜num1+num2＜＜end1; //使用重载的加号运算符cout＜＜num1＜＜"-"＜＜num2＜＜"="＜＜num
有如下SQL语句： SELECT MAX(人数)FROM 班级 INTO ARRAY temp 执行该语句后( )。A．temp[0]的内容为44B．temp[0]的内容为50C．temp[1]的内容为44D．temp[1]的内容为50
以下程序执行后输出的结果是【】。 include include using namespace std; int 以下程序执行后输出的结果是【 】。include＜iostream＞include＜fstream＞using namespace std；int main(){ofstream ofile("D:\\temp.txt")；if(!ofile){cout＜＜"temp.txt cannot open"＜＜endl；return 0；}ofile＜＜"This is a book" ＜＜" " ＜＜54321＜＜endl；ofile.close()；ifstream ifile("D:\\temp.txt")；if(!ifile){cout＜＜"temp.txt cannot open" ＜＜endl；return 0；}charstr[40]；ifile ＞＞ str；ifile.close()；cout＜＜Str＜＜endl；return 1；}
下面程序的运行结果为()。includevoid swap(int a,int B) {int temp;temp=a＋＋; 下面程序的运行结果为( )。 #include＜iostream.h＞ void swap(int a，int B) { int temp； temp＝a++； a＝b； b＝temp； } void main() { int a＝2，b＝3； swap(a，b)； cout＜＜a＜＜“，”＜＜b＜＜end1； }A．2，3B．3，2C．2，2D．3，3
向顺序文件Temp.txt中写入1，2，3这3个数。在程序中加入以下语句的哪一项可以使程序功能完整。Private Sub Command1_Click()Open "c:\Temp.txt"，Output As#1For i=0 To 3NextClose #1End SubA．Print #1，Temp.txtB．Get #1，iC．Print #1，iD．Unit #1，i
下列程序的招待结果是【 】。 include float temp;float fn2(float r){ temp=r* 下列程序的招待结果是【 】。include ＜iostream. h＞float temp;float fn2(float r){temp=r* r* 3.14；return temp；}void main( ){float a=fn2(5.0);float b=fn2(5.0)b=20；cout＜＜temp＜＜end1；}
下列程序的执行结果是______。 include float temp; floatfn2(float r) { temp= 下列程序的执行结果是______。include＜iostream.h＞float temp;floatfn2(float r){temp=r*r*3.14;return temp;}void main( ){float a=fn2(5.0);floatb=fn2(5.0);b=20;cout＜＜temp＜＜endl;}
下面程序输出的结果为()。includevoid fun(int a,int b){int temp;temp=a;a=b;b=tem 下面程序输出的结果为( )。 #include＜iostream.h＞ void fun(int a,int b) { int temp; temp=a; a=b; b=temp; } void main() { int m,n; m=1; n=2; fun(m,n); cout＜＜m＜＜""＜＜n＜＜end1; }A．12B．21C．22D．程序有错误
阅读以下说明及C++程序代码，将应填入(n)处的语句写在对应栏内。【说明】本程序的功能是生成螺旋方阵，用户可以输入该方阵的行列数，然后就生成对应的螺旋方阵。例如：当n=5时，对应的螺旋方阵如下：1 16 15 14 132 17 24 23 123 18 25 22 114 19 20 21 105 6 7 8 9【C++代码】include"stdio.h"include"iostream,h"int array[11][11];int temp;int ROW;void godown(int m,int a){for(temp=1; temp＜=ROW;temp++)if(array[temp][a]==0)array[temp][a]=(1);a++;}void goright(int m,int b){for(temp=1;temp＜=ROW;temp++)if(array[b][temp]==0)array[b][temp]=m++;b--;}void goup(int m.int c){for(temp=ROW;temp＞0;temp-)if(array[temp][c]==0)array[temp][c]=m++;c--;}void goleft(int m,int d){for(temp=ROW;temp＞0;temp--)if(array[d][temp]==0)array[d][temp]=m++;(2);}void main(){int a,b,c,d,max,m;cin＞＞ROW;cout＞＞end1;for(a=1;a＜=ROW;a++)for(b=1;b＜=ROW;b++)(3);m=1;a=d=1;b=c=ROW;max=(4);whiie(m＜=max){godown(m,a);(5) (m,b);goup(m,c);goleft(m,d):}for(a=1;a＜=ROW;a++){for(b=1;b＜=ROW;b++)printf("%3d ",array[a][b]);cout＜＜end1;}}
向顺序文件Temp.txt中写入1,2,3这3个数。在程序中加入以下语句的那项可以使程序功能完整。Private Sub Command1_ClickOpen"c:\Temp.txt",Output As #1For i=0 To 3NextClose #1End SubA．Print #1,Temp.txtB．Get #1,iC．Print #1,iD．Unit #1,i
阅读程序： Function fac(ByVal As Integer)As Integer Dim temp As Integer temp=1 For i％=1 To n temp=temp*i％ Next i％ fac=temp End Function Private Sub Form. Click（ ） Dim nsum As Integer nsum=1 For i％=2 T0 4 nsum=nsum+fac(i％) Next i％ Print nsum End Sub 程序运行后，单击窗体，输出结果是（ ）。A.35B.31C.33D.37
下列程序段的输出结果是 CLEAR STORE 10 TO A STORE 20 TO B SET UDFPARMS TO REFERENCE DO SWAP WITH A，(B) ?A，B PROCEDURE SWAP PARAMETERS Xl，X2 TEMP=X1 X1=X2 X2=TEMP ENDPROCA．10 20B．20 20C．20 10D．10 10
阅读以下技术说明和C代码，将C程序中(1)～(5)空缺处的内容填写完整。[说明]某种传感器的输出值Ratio依赖于环境温度temp(-40℃≤temp≤50℃)。对一组环境温度值(ITEMS个)，已经测量得到了相应的Ratio值(如表4-10表格所示)。表4-10粗略地描述了曲线Ratio(temp)。校正系数K是Ratio的倒数，因此也依赖于环境温度temp。在数据处理中，需要用更多的列表值细致地描述曲线K(temp)，如表4-11所示。在表4-11中，各温度值所对应的K值是对表4-10进行线性插值再求倒数得到的，具体的计算方法如下。1) 根据temp值，在表4-10中用二分法查找；2) 若找到相应的温度值，则按相应的Ratio值求倒数得到K值；3) 若没找到相应的温度值，则可确定temp所在的温度区间[Tp1,Tp2]，同时获得了相应的Ratio1和 Ratio2，再按如下公式计算K值：在程序中，当temp高于50℃或低于-40℃C时，设定K=0。[C程序]includetypedef struct {int Temp; /* 环境温度 */double Ratio; /* 传感器的输出值 */}CURVE;define ITEMS 7double GetK(int Temp,CURVE *p,int n){ /* 用二分法在n个元素的有序表p中查找与Temp对应的传感器输出值 */int low, high, m;double Step;low = 0;high = n-1;if ((Temp＜p-＞Temp) || (Temp＞(p+high)-＞Temp))return 0.0; /* 超出温度范围时返回 0.0 */while (low＜=high){ m=(1);if (Temp==(p+m)-＞Temp)return (2);if (Temp＜(p+m) ＞Temp)high=m-1;elselow=(3);}p+=high;Step=( (4) )/((p+1)-＞Temp-p-＞Temp);return 1.0/ (p-＞Ratio + Step*( (5) ) ;}void main(){ int Degree;double k;CURVE Curve [ITEMS]={{-40,0.2},{-20,0.60.},{-10,0.8},{0,1.0},{10,1.17},{30,1.50},{50,1.8}};printf ("环境温度 校正系数\n");for (Degree=-40;Degree＜=50;Degree++){ k=GetK ( Degree, Curve, ITEMS);printf("%3d %4.2f\n",Degree,k);}}
下列程序段的输出结果是 ______。 CLEAR STORE 10TOA STORE 20TOB SET UDFPARMS TO REFERENCE DO SWAP WITH A,B) ?A,B PROCEDURE SWAP PARAMETERS X1,X2 TEMP=X1 X1=X2 X2=TEMP ENDPROCA．10 20B．20 20C．20 10D．10 10
阅读以下说明和C程序，将应填入(n)处。[说明]某种传感器的输出值Ratio依赖于环境温度temp(-40℃≤temp≤50℃)。对一组环境温度值(ITEMS个)，人们已经测量得到了相应的Ratio值(见表1)。该表粗略地描述了曲线Ratio(temp)。校正系数K是Ratio的倒数，因此也依赖于环境温度temp。在数据处理中，人们需要用更多的列表值细致地描述曲线K(temp)，如表2所示。在表2中，各温度值所对应的K值是对表1进行线性插值再求倒数得到的，具体的计算方法如下：1．根据temp值，在表1中用二分法查找；2．若找到相应的温度值，则按相应的Ratio值求倒数得到K值：3．若没找到相应的温度值，则可确定temp所在的温度区间[Tp1, Tp2]，同时获得了相应的Ratio1和Ratio2，再按如下公式计算K值：Step=(Ratlo1-Ratio2)/(Tp1-Tp2)K=1.0/(Ratio1+Step*(temp-Tp1))在程序中，当temp高于50℃或低于-40℃时，设定K=0。[程序]include ＜stdio.h＞typedef struct {int Temp; /*环境温度*/double Ratio; /*传感器的输出值*/}CURVE;define ITEMS 7double GetK(int, CURVE*, int);void main(){int Degree;double k;CURVE Curve[ITEMS]={ {-40,0.2},{-20,0.60},{-10,0.8},{0,1,0},{10,1.17},{30,1.50}, {50,1.8} };printf("环境温度 校正系数\n");for( Degree= 40; Degree＜=50; Degree++){k=GetK(Degree, Curve, ITEMS);printf(" %3d %4.2f\n",Degree,k);}}double GetK(int Temp, CURVE *p, int n){/*用二分法在n个元素的有序表p中查找与Temp对应的传感器输出值*/int low,high,m; double Step;low=0; high=n-1;if((Temp＜p-＞Temp) ||( Temp＞(p+high)-＞Temp))return 0.0; /*超出温度范围时返回0.0*/while (low＜=high){m=(1) ;if(Temp==(p+m)-＞Temp)return (2);if (Temp＜(p+m)-＞Temp)high=m-1;else low=(3);}p+= high;Step=((4))/((p+1)-＞Temp-p-＞Temp);return 1.0/(p-＞Ratio +Step *((5)));}
有下列SQL语句：SELECT MAX(人数) FROM 班级 INTO ARRAY temp执行该语句后( )。A．temp[0]的内容为44B．temp[0]的内容为50C．temp[1]的内容为44D．temp[1]的内容为50
下列代码执行之后，输出的结果为______。 public class ex38 { public static void main(String[] args) { int x=12; int m=11; int y=13; int temp=x＞y?x:y; temp=temp＞m?temp:m; System.out.println (temp); } }A．1B．12C．13D．11
下面程序的运行结果是（）。 #define DOUBLE(r) r*r main( ) { int a=1,b=2,temp; temp=DOUBLE(a+b); printf(“%d/n”,temp); } A、3B、5C、7D、9
下列程序的运行结果是（）。 #include #include FUN(char *w,int n) { char temp,*s1,*s2; s1=w; s2=w+n-1; while(s1temp=*s1++; *s1=*s2--; *s2=temp; } } main( ) { char *p; p=“1234567”; FUN(p,strlen(p)); puts(p); }
Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database， and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files （OMF）. Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database， its corresponding operating system file is also deleted？（）A、 DROP TABLESPACE temp1；B、 DROP TABLESPACE temp1 INCLUDING CONTENTS；C、 DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES；D、 DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS；
填空题下列程序的运行结果是（）。 #include #include FUN(char *w,int n) { char temp,*s1,*s2; s1=w; s2=w+n-1; while(s1temp=*s1++; *s1=*s2--; *s2=temp; } } main( ) { char *p; p=“1234567”; FUN(p,strlen(p)); puts(p); }
单选题下面程序的运行结果是（）。 #define DOUBLE(r) r*r main( ) { int a=1,b=2,temp; temp=DOUBLE(a+b); printf(“%d/n”,temp); }A3B5C7D9
单选题Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database， and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files （OMF）. Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database， its corresponding operating system file is also deleted？（）A DROP TABLESPACE temp1；B DROP TABLESPACE temp1 INCLUDING CONTENTS；C DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES；D DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS；