更多"下面程序的运行结果是 #include<iostream,h> v"的相关试题:
[单项选择]如下程序的输出结果是
#include<iostream>
void fun(int & X,inty)intt=x;x=y;y=t;
int main( )
int a[2]=23,42;
fun(a[1],a[0]);
std::cout<<a[0]<<","<<a[1]<<std::endl;
return 0;
A. 42,42
B. 23,23
C. 23,42
D. 42,23
[单项选择]下面程序的运行结果是 # include <iostream.h> void fun(int * a,int * b) { int x= * a; * a= * b; * b=X; cout << * a << * b<<" " ; } void main( ) { int x=1, y=2; fun (& x,& y); cout < < X << y << endl; }
A. 12 12
B. 12 21
C. 21 12
D. 21 21
[单项选择]下面程序的运行结果是 #include<iostream.h> void fun(int * a,int * b) { int x= * a; * a = * b; * b=x; cout <<*a<< *b<<""; } void main( 0 { int x =1,y =2; fun(&x,&y); cout<< x << y <<end1; }
A. 12 12
B. 12 21
C. 21 12
D. 21 21
[单项选择]如下程序的输出结果是 #include<iostream> void fun(int & X,inty){intt=x;x=y;y=t;} int main( ){ int a[2]={23,42}; fun(a[1],a[0]); std::cout<<a[0]<<","<<a[1]<<std::endl; return 0; }
A. 42,42
B. 23,23
C. 23,42
D. 42,23
[单项选择]有如下程序: #include <iostream> void fun(int& x, int y){int t=x;x=y;y=t;} int main ( ) { int a[2]={23,42}; fun(a[1],a[0]); std::cout<<a[0]<<","<<a[1]<<std::endl; return 0; } 执行后的输出结果是
A. 42,42
B. 23,23
C. 23,42
D. 42,23
[单项选择]下列程序的运行结果是 #include<iostream.h> void fun(int *a,int *B) {int *k; k=a;a=b;b=k; } void main( ) {int a=3,b=6,*x=&a,*y=&b; fun(x,y); cout << a <<" "<< b; }
A. 63
B. 36
C. 编译出错
D. 00
[单项选择]有如下程序: #include<iostream> void fun(int&x, int y){int t=x; x=y; y=t;} int main( ) { int a[2]={23,42}; fun(a[1],a[0]); std::cout<<a[0]<<","<<a[1]<<std::end1; return 0; } 执行后的输出结果是( )。
A. 42,42
B. 23,23
C. 23,42
D. 42,23
[单项选择]下列程序段的输出结果是 #include<iostream.h> void fun(int * X,int * y) { cout < < * X < < * y; * X=3; * y=4; } void main( ) { int x=1,y=2; fun(&y,&x); cout < < X < < y < < end1; }
A. 2143
B. 1212
C. 1234
D. 2112
[单项选择]
有如下程序:
#include<iostream>
void fun(int&x,int y){int t=x;x=y;y=t;}
int main( )
{
int a[2]={23,42};
fun(a[1],a[0];
std::cout<<a[0]<<","<<a[1]<<std::ndl;
return 0;
}
执行后的输出结果是()
A. 42,42
B. 23,23
C. 23,42
D. 42,23
[单项选择]下列程序的运行结果是 #include<iostream.h> void fun(int*a,int*b) { int*k; k=a;a=b;b=k; } void main( ) { int a=3,b=6,*x=&a,*y=&b; fun(x,y); cout < < a < < " " < < b; }
A. 6 3
B. 3 6
C. 编译出错
D. O 0
[单项选择]下列程序段的输出结果是 #include<iostream.h> void fun(int*x,int*y) {cout<<*x<<*y; *X=3; *y=4; } void main( ) {int x=1,y=2; fun(&y,&x); cout<<X<<y<<endl; }
A. 2143
B. 1212
C. 1234
D. 2112
[单项选择]下列程序的运行结果是( )。#include<iostream.h>void fun(int *a, int *b) {int *k; k=a; a=b; b=k;}void main( ){int a=2OO4,b=9,*x=&a,*y=&b;fun(x, y);cout<<a<<" "<<b<<end1;}
A. 20049
B. 92004
C. 00
D. 编译时出错