#include <stdio.h>#include <stdlib.h>/*利用基数排序对长度为3的字符串进行排序，稳定排序*/void sort_at_i(char **a,int i,int length){/*i为当前要排序的第i位单词,即通过此函数对a[][i]进行排序,length为单词的个数 本例采用冒泡排序对第i位单词进行排序*/ char *temp; int j,k; for(j=0;j<length;j++) { for(k=j;k<length;k++) { if(a[j][i]>a[k][i])//如果a[j][i]比后面的任意单词大，则交换 //exchange(a[j],a[k]); { temp=a[j]; a[j]=a[k]; a[k]=temp; } } } }void radix_sort(char **a,int d,int length){ //a为存放各个字符串的字符指针数组,d为字符串长度 //a[i]为第i+1个字符串，a[i][j]为第i+1个字符串的第j+1个字符 int i,j; for(i=d-1;i>=0;i--)//依次对每一位进行排序，从低位到高位 { //调用其他排序方法对a[][i]位进行排序 sort_at_i(a,i,length); } } int main(int argc, char *argv[]){ int i; char *a[16]={"COW","DOG","SEA","RUG","ROW","MOB","BOX","TAB","BAR","EAR","TAR","DIG","BIG","TEA","NOW","FOX"}; printf("原来的字符串数组是:\n"); for(i=0;i<16;i++) printf("%s ",a[i]); radix_sort(a,3,16); printf("\n利用基数排序以后的顺序是:\n"); for(i=0;i<16;i++) printf("%s ",a[i]); system("PAUSE"); return 0;}
