比賽結束後，每位選手都說對了一半，請程式設計確定比賽的名次。

#include <stdio.h>

int main()
{
	int a = 0;
	int b = 0;
	int c = 0;
	int d = 0;
	int e = 0;
	int n = 0;
	int flag = 0;
	for(a = 1; a<=5; a++)
	{
		for(b = 1; b<=5; b++)
		{
			for(c = 1; c<=5; c++)
			{
				for(d = 1; d<=5; d++)
				{
					for(e = 1; e<=5; e++)
					{
						if(((b==1)+(a==3)==1)
						 &&((b==2)+(e==4)==1)
						 &&((c==1)+(d==2)==1)
						 &&((c==5)+(d==3)==1)
						 &&((e==4)+(a==1)==1))
						{
							//flag = 0;
							n |= (1<<(a-1));
							n |= (1<<(b-1));
							n |= (1<<(c-1));
							n |= (1<<(d-1));
							n |= (1<<(e-1));
							if(n==1||n==3||n==7||n==15||n==31)
								printf("a = %d b = %d c = %d d = %d e = %d\n",a,b,c,d,e);
							n=0;
						}
						
					}
					
				}
			}
		}
	}
	return 0;
}