冒泡排序

 1 #include<stdio.h>
 2 int main() {
 3 
 4     int arr[5];
 5     printf(" please input five number :");
 6     for (int i = 0; i < 5; i++) {
 7         scanf("%d", &arr[i]);
 8     }
 9     for (int i = 0; i < 5; i++)
10     {
11         printf("%d", arr[i]);
12 
13     }
14     printf("\n");
15     for (int i = 0; i < 4; i++)
16     {
17         for (int j = 0; j < 4 - i; j++) {
18             if (arr[j]>arr[j+1])
19             {
20                 int a = arr[j];
21                 arr[j] = arr[j+1];
22                 arr[j+1] = a;
23             }
24         }
25 
26     }
27     for (int i = 0; i < 5; i++)
28     {
29         printf("%d", arr[i]);
30 
31     }
32     return 0;
33 }