1313.txt

北大ACM题目例程 详细的解答过程 程序实现 算法分析

#include"iostream.h"
void main()
{int s,a,b,h;
while(1)
{cin>>s;if(s==0)break;
b=1;
h=(s-1)/4+1;
a=h*4;
cout<<"Printing order for "<<s<<" pages:"<<endl;
for(int i=1;i<=h;i++)
{cout<<"Sheet "<<i<<", front: ";
if(a>s)cout<<"Blank";else cout<<a;cout<<", ";
cout<<b<<endl;a--;b++;

if(a>b&&b<=s){cout<<"Sheet "<<i<<", back : "<<b<<", ";
 if(a>s)cout<<"Blank";else cout<<a;
 cout<<endl;a--;b++;}
}
}
}