8.21
#include <stdio.h>
void bubbleSort(int **p, int n);
int main(void){
int a[100];
int *b[100];
int n, i, **p;
printf("Input your n(n < 100)\n");
scanf("%d", &n);
printf("Input your a[n]\n");
for(i = 0; i < n; i++)
scanf("%d", a + i);
for(i = 0; i < n; i++)
b[i] = a + i;
p = b;
bubbleSort(p, n);
for(i = 0; i < n; i++)
printf("%d ", *b[i]);
printf("\n");
return 0;
}
void bubbleSort(int **p, int n){
int i, j, flag = 1;
int *temp;
for(i = 0; flag; i++){
flag = 0;
for(j = n - 1; j > i; j--){
flag = 1;
if(**(p + i) > **(p + j)){
temp = *(p + i);
*(p + i) = *(p + j);
*(p + j) = temp;
}
}
}
}
8.20
#include <stdio.h>
#include <string.h>
void selectionSort(char **p);
int main(void)
{
char a[5][30], *b[5], **p;
int i;
for(i = 0; i < 5; i++)
b[i] = a[i];
for(i = 0; i < 5; i++)
scanf("%s", b[i]);
p = b;
selectionSort(p);
printf("\n");
for(i = 0; i < 5; i++)
printf("%s\n", b[i]);
return 0;
}
void selectionSort(char **p)
{
int i, j, minj, n = 5;
char *temp;
for(i = 0; i < n - 1; i++)
{
minj = i;
for(j = i; j < n; j++)
{
if(strcmp(*(p + j), *(p + minj)) < 0)
minj = j;
}
temp = *(p + i);
*(p + i) = *(p + minj);
*(p + minj) = temp;
}
}
原文:https://www.cnblogs.com/paprikatree/p/10425655.html