Cod sursa(job #110388)

Utilizator gabitzish1Gabriel Bitis gabitzish1 Data 26 noiembrie 2007 17:52:57
Problema Multimi2 Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.25 kb
#include <stdio.h>
int m1[500010], m2[500010], n, n1, n2, x, d;

int main()
{
	freopen("multimi2.in","r",stdin);
	freopen("multimi2.out","w",stdout);

	scanf("%d",&n);
	int i;
	x = n % 4;
	switch (x)
	{
	case 0: 
		{
			for (i=1; i<n/2; i+=2)
			{
				m1[i] = i; m1[i + 1] = n - i + 1;
				m2[i] = i + 1; m2[i + 1] = n - i;
			}
			d = 0;
			n1 = n2 = n/2;		
			break;
		}
	case 1:
		{
			for (i=1; i<n/2; i+=2)
			{
				m1[i] = i + 1; m1[i + 1] = n - i + 1;
				m2[i] = i + 2; m2[i + 1] = n - i ;
			}
			d = 1;
			n1 = n2 = n/2;			
			m1[++n1] = 1;
			break;
		}
	case 2:
		{
			for (i=1; i<n/2; i+=2)
			{
				m1[i] = i + 2; m1[i + 1] = n - i + 1;
				m2[i] = i + 3; m2[i + 1] = n - i ;
			}
			d = 1;
			n1 = n2 = n/2 - 1;			
			m1[++n1] = 1;
			m2[++n2] = 2;
			break;
		}
	case 3:
		{
			for (i=1; i<n/2; i+=2)
			{
				m1[i] = i + 3; m1[i + 1] = n - i + 1;
				m2[i] = i + 4; m2[i + 1] = n - i ;
			}
			d = 0;
			n1 = n2 = n/2 - 1;			
			m1[++n1] = 1; 
			m1[++n1] = 2;
			m2[++n2] = 3;
			break;
		}
	}

	printf("%d\n",d);
	printf("%d\n",n1);
	for (i = 1; i <= n1; i++) printf("%d ",m1[i]);
	printf("\n%d\n",n2);
	for (i = 1; i <= n2; i++) printf("%d ",m2[i]);
	printf("\n");
	return 0;
}