hdu 2016 数据的交换输出

 1 #include <stdio.h>
 2 int main ()
 3 {
 4     int n,a[110],i,j,t,min;
 5     while (scanf("%d",&n)!=EOF)
 6     {
 7         if (n==0)
 8             break;
 9         for (i=0; i<n; i++)
10         {
11             scanf("%d",&a[i]);
12         }
13         min=a[0];
14         j=0;
15         for (i=1; i<n; i++)
16             if (min>a[i])//找到最小值
17             {
18                 min=a[i];
19                 j=i;
20             }
21         t=a[j];
22         a[j]=a[0];
23         a[0]=t;
24         for (i=0; i<n-1; i++)
25             printf ("%d ",a[i]);
26         printf ("%d\n",a[i]);
27     }
28     return 0;
29 }