3566365_pe.cc

北大大牛代码 1240道题的原代码 超级权威

#include <stdio.h>
#include <algorithm>

using namespace std;

int main()
{
	int n;

	while (scanf("%d", &n) == 1 && n != 0)
	{
		printf("Printing order for %d pages:\n", n);
		int m = (n / 4 + (n % 4 != 0)) * 2;
		int sheet = 1;
		for (int i = 0; i < m; i++)
		{
			int a = i + 1, b = m * 2 - i;
			if (i % 2 == 0)
			{
				swap(a, b);
			}
			if (a > n && b > n)
			{
				break;
			}
			printf("Sheet %d, ", sheet);
			if (i % 2 == 0)
			{
				printf("front: ");
			}
			else
			{
				printf("back: ");
				sheet++;
			}
			printf(a > n ? "Blank, " : "%d, ", a);
			printf(b > n ? "Blank\n" : "%d\n", b);
		}
	}
	return 0;
}