poj 1313 Booklet Printing 模拟水题

//poj 1314//sep9#include <iostream>using namespace std;const int MAXN=128;struct Page{int front1,front2;int back1,back2;}pages[MAXN];int n;void print(int x){if(x>n) printf(" Blank");else printf(" %d",x);}int main(){    while(scanf("%d",&n)==1&&n){int num=n%4==0?n/4:n/4+1;printf("Printing order for %d pages:\n",n);int cnt=0;for(int i=0;i<num;++i){pages[i].front2=++cnt;pages[i].back1=++cnt;}for(int i=num-1;i>=0;--i){pages[i].back2=++cnt;pages[i].front1=++cnt;}for(int i=0;i<num;++i){printf("Sheet %d, front:",i+1);print(pages[i].front1);printf(",");print(pages[i].front2);puts("");if(pages[i].back1>n&&pages[i].back2>n)continue;printf("Sheet %d, back :",i+1);print(pages[i].back1);printf(",");print(pages[i].back2);puts("");}    }return 0;}