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阅读以下说明和C++码,将相应的文字填入(n)处,写在对应栏内。[说明]以下代码实现了对象引用作为函数参数,仔细阅读以下代码,分析运行结果,填入(n)处。[代码]include<iostream.h>class Sample{int x,y;public:Sample() {x=y=0; }Sample (int i, int j ) {x=i; y=j; }void copy ( Sample &s ).,void setxy ( int i, int j ) {x=i; y=j; }void print ( {cout<<"x="<<x<<end1 ; cout <<"y="<<y<<end1;};void Sample: copy ( Sample &s ){X=S.X;y=s.y;}void func ( Sample s1, Sample &s2 ){s1.setxy ( 10,20 );s2.setxy ( 30,40 );}void main ( ){Sample p ( 1,2 ) ,q;q.copy ( p );time ( p,q );p.print ( );q.print ( );}运行结果(1)(2)(3)(4)
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有以下程序段:includedefine MAX(x,y)(x)>(y)?(x):(y)void main(){ int i,j,k; i=有以下程序段: #include<iostream.h> #define MAX(x,y)(x)>(y)?(x):(y) void main() { int i,j,k; i=10; j=15;k=MAX(i,j)*10; cout<<k<<end1; } 程序执行后的输出结果是( )。A.15B.100C.150D.10
下列程序的输出结果是includeclass Myclass{public : Myclass( int i=0,int j=0){x下列程序的输出结果是 #include<iostream.h> class Myclass{ public : Myclass( int i=0,int j=0) {x=i; y=j; } void show( ){cout<<"x="<<x<<" "<"y="<<y<<endl;} void show( )const{cout<<"x="<A.x=4,y=3;x=7,y=8B.x=3,y=4;x=7,y=8C.x=7,y=8;x=4,y=3D.x=8,y=7;x=7,y=8
有以下程序段:include define MIN(x,y)(x)有以下程序段:include<iostream.h>define MIN(x,y) (x)<(y)?(x):(y)void main(){int i,j,K;i=10;j=15;k=10*MIN (i,j);cout<<k<<endl;}程序执行后的输出结果是______。
假设有下列声明语句: int i,j; float x,y; double u,v; 下面______个赋值是合法的? ( )A.i=x;B.x=u+y;C.x=23.4+j*y;D.v=(int)x;
阅读以下函数说明和C语言函数,将应填入(n)处的字句写在对应栏内。【函数2.1】void sort(char *s,int num){int i,j--num;char t;while(j-->1)for(i=0;i<j;i++)if(s[i]>s[i+1]){t=s[i];s[i]=s[i+1];s[i+1]=t;}void main(){char *s="CEAedea";sort(s,5);printf("%s",s);}上述程序的结果是(1)【函数2.2】void main(){ union {int ig[6];Char s[12];} try;try. ig[0]=0x4542; try.ig[1]=0x2049;try. ig[2]=0x494a; try.ig[3]=0x474e;try. ig[4]=0x0a21; try.ig[5]=0x0000;pintf("%s",try, s);}上述程序的结果是(2)【函数2.3】void main(){ char *letter[5]= { "ab","efgh","ijk","nmop","st"};char **p;int i;p=letter;for(i=0;i<4;i++) .printf("%s",p[i]);}上述程序的结果是(3)【函数2.4】main(){int i=4,j=6,k=8,*p=&I,*q=&j,*r=&k;int x,y,z;x=p==&i;y=3*-*p/(*q)+7;z=*(r=&k)=*p**q;printf("x=%d,y=%d,z=%d",x,y,z);}上述程序的结果是(4)【函数2.5】int a[]={5,4,3,2,1 };void main(){int i;int f=a[0];int x=2;for(i=0;i<5;i++)f+=f*x+a[i];printf("%d",f);}上述程序的结果是(5)
下面程序的输出结果是( )。 #include "stdio.h" fun (x int x { int y=0; static int z=5; z=x++,y++; return(Z); } main() { int a=4,i,j; for(i=0;i<2;i++) j=fun(a++); printf("%d",j); }A.0B.3C.4D.5