选择排序法

#include <stdio.h>
#define LEN 5
int a[LEN]={10,5,2,4,7};

void selection_sort(void)
{
	int i,j,key;
	for(i=0;i<LEN-1;i++) {
		printf("%d %d %d %d %d\n",a[0],a[1],a[2],a[3],a[4]);
		key=a[i];
		j=i+1;
		while(j<LEN && a[j]<key) {
			key=a[j];
			a[j]=a[i];
			a[i]=key;
			j++;
			
		}
	}
	printf("%d %d %d %d %d\n",a[0],a[1],a[2],a[3],a[4]);
}
	
	
int main(void)
{
	selection_sort();
	return 0;
}