fork download
copy 
  1. #include <stdio.h>
  2.  
  3. void REORDER3(unsigned &b1, unsigned &b2, unsigned &b3, unsigned a1, unsigned a2, unsigned a3)
  4. {                                           
  5.   b1 = a1;
  6.   b2 = a2;
  7.   b3 = a3;
  8. }
  9.  
  10. void uintprint3(unsigned *a)
  11. {
  12.     printf("%u %u %u\n", a[0], a[1], a[2]);
  13. }
  14.  
  15.  
  16. void sort3( unsigned int a[3] )
  17. {
  18.     if (a[0] > a[1])
  19.     {
  20.         if (a[1] > a[2])
  21.         {
  22.             REORDER3 (
  23.                 a[0], a[1], a[2],
  24.                 a[2], a[1], a[0]);
  25.             return;
  26.         }
  27.         else
  28.         {
  29.             if (a[0] > a[2])
  30.             {
  31.                 REORDER3 (
  32.                     a[0], a[1], a[2],
  33.                     a[1], a[2], a[0]);
  34.                 return;
  35.             }
  36.             else
  37.             {
  38.                 REORDER3 (
  39.                     a[0], a[1], a[2],
  40.                     a[1], a[0], a[2]);
  41.                 return;
  42.             }
  43.         }
  44.     }
  45.     else
  46.     {
  47.         if (a[1] <= a[2])
  48.         {
  49.             return; //NO REORDER
  50.         }
  51.         else
  52.         {
  53.             if (a[0] <= a[2])
  54.             {
  55.                 REORDER3 (
  56.                     a[0], a[1], a[2],
  57.                     a[0], a[2], a[1] );
  58.                 return;
  59.             }
  60.             else
  61.             {
  62.                 REORDER3 (
  63.                     a[0], a[1], a[2],
  64.                     a[2], a[0], a[1] );
  65.                 return;
  66.             }
  67.         }
  68.     }
  69. }
  70.  
  71. int main(void)
  72. {
  73.     unsigned int a[] = {0, 1, 2};
  74.     unsigned int b[] = {0, 2, 1};
  75.     unsigned int c[] = {1, 2, 0};
  76.     unsigned int d[] = {1, 0, 2};
  77.     unsigned int e[] = {2, 0, 1};
  78.     unsigned int f[] = {2, 1, 0};
  79.     sort3(a); sort3(b); sort3(c); sort3(d); sort3(e); sort3(f);
  80.  
  81.     uintprint3(a);
  82.     uintprint3(b);
  83.     uintprint3(c);
  84.     uintprint3(d);
  85.     uintprint3(e);
  86.     uintprint3(f);
  87.     return 0;
  88. }
Success #stdin #stdout 0s 2896KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0 1 2
0 1 2
0 1 2
0 1 2
0 1 2
0 1 2
https://ideone.com/zWrHgq
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!