js实现冒泡,选择排序算法:
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title></title> 6 7 </head> 8 <body> 9 <script> 10 function bubble(arr){ 11 var temp; 12 for(var i = 0;i<arr.length- 1;++i){ 13 for(var j = 0;j<arr.length -i -1 ;++j){ 14 if(arr[j]>arr[j+1]){ 15 temp = arr[j]; 16 arr[j] = arr[j+1]; 17 arr[j+1] = temp; 18 } 19 } 20 } 21 return arr; 22 } 23 function select(arr){ 24 var min_idx; 25 var temp; 26 for(var i =0 ;i<arr.length-1;++i){ 27 min_idx = i; 28 for(var j = i+1;j<arr.length;++j){ 29 if(arr[min_idx] > arr[j]){ 30 min_idx = j; 31 } 32 } 33 if(min_idx != i){ 34 temp = arr[min_idx]; 35 arr[min_idx] = arr[i]; 36 arr[i] = temp; 37 } 38 } 39 return arr; 40 } 41 42 var arr= [1,23,55,6,7,8,32,32,34,53,34,3,12,321,53,434,43,5,56,6,7,4,54]; 43 //冒泡 44 var ret = bubble(arr); 45 46 //选择 47 // var ret = select(arr); 48 console.log(ret); 49 </script> 50 51 </body> 52 </html>
Python 实现冒泡,选择排序算法:
1 def bubble(arr): 2 for i in range(len(arr) - 1): 3 for j in range(len(arr) - 1 -i): 4 if arr[j] >arr[j+1]: 5 temp = arr[j] 6 arr[j] = arr[j+1] 7 arr[j+1] = temp 8 return arr 9 def select(arr): 10 # min_idx 11 # temp 12 for i in range(len(arr)-1): 13 min_idx = i 14 for j in range(i+1, len(arr)): 15 if arr[min_idx] > arr[j]: 16 min_idx = j 17 if min_idx != i: 18 temp = arr[min_idx] 19 arr[min_idx] = arr[i] 20 arr[i] = temp 21 return arr 22 23 if __name__ == '__main__': 24 import time 25 arr = [1, 23, 1, 53, 434, 43, 5, 56, 6, 7, 4, 54, 6, 7, 8, 32, 32, 34, 26 53, 34, 3, 12, 321, 53, 434, 43, 5, 56] 27 28 #冒泡排序 29 t1 = time.time() 30 ret = bubble(arr) 31 time.sleep(1) 32 print(ret,"用时:{}".format(time.time()-t1)) 33 34 #选择排序 35 t2 = time.time() 36 ret = select(arr) 37 time.sleep(1) 38 print(ret,"用时:{}".format(time.time()-t2)) 39 ''' 40 输出: 41 [1, 1, 3, 4, 5, 5, 6, 6, 7, 7, 8, 12, 23, 32, 32, 34, 34, 43, 43, 53, 53, 53, 54, 56, 56, 321, 434, 434] 用时:1.0002381801605225 42 [1, 1, 3, 4, 5, 5, 6, 6, 7, 7, 8, 12, 23, 32, 32, 34, 34, 43, 43, 53, 53, 53, 54, 56, 56, 321, 434, 434] 用时:1.0001587867736816 43 '''
Java 实现冒泡,选择排序算法:
pass
C/C++ 实现冒泡,选择排序算法:
1 #include <stdio.h> 2 int* bubbleSort(int* arr,int len){ 3 for (int i=0;i<len -1;i++){ 4 for (int j=0;j<len -i-1;j++){ 5 if(arr[j] > arr[j+1]){ 6 arr[j] = arr[j] ^ arr[j+1]; 7 arr[j+1] = arr[j]^ arr[j+1]; 8 arr[j] = arr[j] ^arr[j+1]; 9 } 10 11 } 12 } 13 return arr; 14 } 15 int main(){ 16 int a[] = {1,2,3,4,5,18,2,3,4,5,10,32,1,2,3}; 17 int len = sizeof(a)/ sizeof(a[0]); 18 19 int* arr = bubbleSort(a,len); 20 21 for (int i = 0; i < len; ++i) { 22 printf("arr: %d ",arr[i]); 23 } 24 }
1 #include <stdio.h> 2 int* chooseSort(int* arr,int len){ 3 for (int i=0;i<len;++i){ 4 int idx = i; 5 for (int j = i+1; j < len; ++j) { 6 if (arr[idx] > arr[j]){ 7 idx = j; // 记录下 索引! 8 } 9 } 10 if(idx != i){ 11 arr[idx] = arr[idx] ^ arr[i]; 12 arr[i] = arr[idx] ^ arr[i]; 13 arr[idx] = arr[idx] ^ arr[i]; 14 } 15 } 16 17 return arr; 18 } 19 int main(){ 20 int a[] = {1,2,3,4,5,18,2,3,4,5,10,32,1,2,3}; 21 int len = sizeof(a)/ sizeof(a[0]); 22 23 int* arr = chooseSort(a,len); 24 25 for (int i = 0; i < len; ++i) { 26 printf("arr: %d ",arr[i]); 27 } 28 }