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#include <iostream>
using namespace std;
void main()
{
char a[50];memset(a,0,sizeof(a));
int i=0,j;
char t;
cin.getline(a,50,'\n');
for(i=0,j=strlen(a)-1;i<strlen(a)/2;i++,j--)
{
t=a[i];
a[i]=a[j];
a[j]=t;
}
cout<<a<<endl;
}
//µÚ¶þÖÖ
string str;
cin>>str;
str.replace;
cout<<str;
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1.ÊDz»ÊÇÒ»¸ö¸¸ÀàдÁËÒ»¸övirtual º¯Êý£¬Èç¹û×ÓÀา¸ÇËüµÄº¯Êý²»¼Óvirtual ,Ò²ÄÜʵÏÖ¶à̬?
virtualÐÞÊηû»á±»ÒþÐμ̳еġ£private Ò²±»¼¯³É£¬Ö»ÊÂÅÉÉúÀàûÓзÃÎÊȨÏÞ¶øÒÑ¡£virtual¿É¼Ó¿É²»¼Ó¡£×ÓÀàµÄ¿Õ¼äÀïÓи¸ÀàµÄËùÓбäÁ¿(static³ýÍâ)¡£Í¬Ò»¸öº¯ÊýÖ»´æÔÚÒ»¸öʵÌå(inline³ýÍâ)¡£×ÓÀา¸ÇËüµÄº¯Êý²»¼Óvirtual ,Ò²ÄÜʵÏÖ¶à̬¡£ÔÚ×ÓÀàµÄ¿Õ¼äÀÓи¸ÀàµÄ˽ÓбäÁ¿¡£Ë½ÓбäÁ¿²»ÄÜÖ±½Ó·ÃÎÊ¡£
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#include <iostream>
using namespace std;
void main()
{
char a[50];memset(a,0,sizeof(a));
int i=0,j;
char t;
cin.getline(a,50,'\n');
for(i=0,j=strlen(a)-1;i<strlen(a)/2;i++,j--)
{
t=a[i];
a[i]=a[j];
a[j]=t;
}
cout<<a<<endl;
}
//µÚ¶þÖÖ
string str;
cin>>str;
str.replace;
cout<<str;
------------------------------ ......
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int func(x)
{
int countx = 0;
while(x)
{
countx ++;
x = x&(x-1);
}
return countx;
}
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int func(x)
{
int countx = 0;
while(x)
{
countx ++;
x = x&(x-1);
}
return countx;
}
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