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  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <string.h>
  4.  
  5. struct kilpailijat     //The structure im using
  6. {
  7.     char nimi[43+1];
  8.     float aika;
  9. };
  10.  
  11. int compare (const void * a, const void * b)
  12. {
  13.     float f1 = ((struct kilpailijat *)a)->aika;
  14.     float f2 = ((struct kilpailijat *)b)->aika;
  15.     int result = 0;
  16.     if (f1 < f2) 
  17.     {
  18.         result = -1;
  19.     }
  20.     else if (f1 > f2) 
  21.     {
  22.         result = 1;
  23.     }
  24.     return result;
  25. }
  26.  
  27. void printArray(struct kilpailijat * array, int size) 
  28. {
  29.     for (int i = 0; i < size; i++) 
  30.     {
  31.         printf("%s - %0.2f\n", array[i].nimi, array[i].aika);
  32.     }
  33. }
  34.  
  35. int main() 
  36. {
  37.     int maara = 3;
  38.     struct kilpailijat henkilo[50];
  39.     // Populate the array with fake elements
  40.     strcpy(henkilo[0].nimi, "Runner 1");
  41.     henkilo[0].aika = 101.2f;
  42.     strcpy(henkilo[1].nimi, "Runner 2");
  43.     henkilo[1].aika = 101.1f;
  44.     strcpy(henkilo[2].nimi, "Runner 3");
  45.     henkilo[2].aika = 99.9f;
  46.  
  47.     printArray(henkilo, maara);
  48.     printf("\n-----\n\n");
  49.     // Sort the array
  50.     qsort (henkilo, maara, sizeof(kilpailijat), compare);
  51.     printArray(henkilo, maara);
  52.  
  53.     return 0;
  54. }
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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Runner 1 - 101.20
Runner 2 - 101.10
Runner 3 - 99.90

-----

Runner 3 - 99.90
Runner 2 - 101.10
Runner 1 - 101.20
https://ideone.com/UJRCWQ
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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