更多"有以下程序: #include <iostream> using "的相关试题:
[单项选择]若有以下程序
#include <iostream>
using namespace std;
class A
public:
A(int i,int j)
a=i;
b=j;
void move(int x,int y)
a+=x;
b+=y;
void show( )
cout<<a<<","<<b<<end1;
private
int a,b;
;
class B: private A
public:
B(int i,int j):A(i,j)
void fun( )
move(3,5);
void fl( )
A::show( );
int main( )
B d(3,4);
d. fun( );
d.fl( );
return 0;
程序执行后的输出结果是
A. 3,4
B. 6,8
C. 6,9
D. 4,3
[单项选择]有以下程序
#include <iostream>
using namespace std;
static int days[]= 31,28,31,30,31,30,31,31,30,31,30,31 ;
class date
private:
int month, day, year;
public:
date( int m, int d, int y )
month = m;
day = d;
year = y;
date( )
void disp( )
cout<<year<<"-"<<month<<"-"<<day<<end1;
date operator+( int day )
date dt = *this;
day+= dt.day;
while ( day > days[dt.month - 1 ] )
day -= days[ dt.month - 1 ];
if ( ++dt.month == 13 )
dt.month = 1;
dt.year++;
dt.day = day;
return dt;
;
int main( )
date d1( 6, 20, 2004 ), d2;
d2: d1 + 20;
d2.disp( );
return 0;
执行后的输出结果是
A. 2004-7-10
B. 2004-6-20
C. 2004-7-20
D. 程序编译时出错