VS2012

     //C语言实例 3个数由小到大排序

     #include <stdio.h>

     void main()

     {

         int a, b, c, t;

         printf("Please input a,b,c;\n");

         scanf("%d%d%d", &a, &b, &c);

         if (a > b)

         {

             t = a;

             a = b;

             b = t;

         }

         if (a > c)

         {

             t = a;

             a = c;

             c = t;

         }

         if (b > c)

         {

             t = b;

             b = c;

             c = t;

         }

         printf("The order of the number is:\n");

         printf("%d,%d,%d", a, b, c);

     }