卡片游戏（Throwing cards away I,UVa 10935)

此题UVa链接单击这里

#include <iostream>
#include <vector>
#include <cstring>
using namespace std;

int main()
{
int a,i;
while(cin>>a&&a)
{
int array[52],k=0,m=1;
memset(array,0,sizeof(array));
for(i=1;i<=a;i++)
array[i]=i;
i=1;
cout<<"Discarded cards:";
while(k!=a-1)
{
if(array[i]!=0)
{
if(m)
{
cout<<' '<<array[i];
array[i]=0;
k++;
if(k!=a-1)
cout<<',';
m=0;
}
else
m=1;
}
if(i++==a)
i=1;
}
cout<<endl;
cout<<"Remaining card:";
for(i=1;i<=a;i++)
if(array[i])
cout<<' '<<array[i]<<endl;
}
return 0;
}