选择排序法

#include <stdio.h>#define LEN 5int 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;}