用c++写一个输入八个元素的数组,分别利用冒泡,选择算法实现排序
时间: 2024-06-12 08:07:34 浏览: 7
冒泡排序:
```c
#include <stdio.h>
void bubble_sort(int arr[], int n) {
int i, j, temp;
for (i = 0; i < n - 1; i++) {
for (j = 0; j < n - i - 1; j++) {
if (arr[j] > arr[j + 1]) {
temp = arr[j];
arr[j] = arr[j + 1];
arr[j + 1] = temp;
}
}
}
}
int main() {
int arr[8], i;
printf("Enter 8 elements:\n");
for (i = 0; i < 8; i++) {
scanf("%d", &arr[i]);
}
bubble_sort(arr, 8);
printf("\nSorted array:\n");
for (i = 0; i < 8; i++) {
printf("%d ", arr[i]);
}
return 0;
}
```
选择排序:
```c
#include <stdio.h>
void selection_sort(int arr[], int n) {
int i, j, min_idx, temp;
for (i = 0; i < n - 1; i++) {
min_idx = i;
for (j = i + 1; j < n; j++) {
if (arr[j] < arr[min_idx]) {
min_idx = j;
}
}
temp = arr[i];
arr[i] = arr[min_idx];
arr[min_idx] = temp;
}
}
int main() {
int arr[8], i;
printf("Enter 8 elements:\n");
for (i = 0; i < 8; i++) {
scanf("%d", &arr[i]);
}
selection_sort(arr, 8);
printf("\nSorted array:\n");
for (i = 0; i < 8; i++) {
printf("%d ", arr[i]);
}
return 0;
}
```