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  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <unistd.h>
  4. #include <time.h>
  5.  
  6. struct Link {
  7.     int num;
  8.     Link *next;
  9. };
  10.  
  11. /*
  12.  * 
  13.  */
  14. int main() {
  15.  
  16.     clock_t start, finish;
  17.     long exeTime = 0; // Time of the program execute.
  18.  
  19.     start = clock();
  20.  
  21.     if( vfork() == 0 ) {
  22.         // Bubble sort.
  23.         for( int i = dataCount - 1 ; i != 0 ; i-- ) {
  24.  
  25.             for( int j = 0 ; j < i ; j++ ) {
  26.  
  27.                 if( num[j] > num[j+1] ) {
  28.                     int swap = 0;
  29.                     swap = num[j];
  30.                     num[j] = num[j+1];
  31.                     num[j+1] = swap;
  32.                 }
  33.             }
  34.         }
  35.  
  36.         _exit(0);
  37.     }
  38.  
  39.     finish = clock();
  40.  
  41.     exeTime = (double) finish - start;
  42.  
  43.     for( int i = 0 ; i < dataCount ; i++ ) fprintf( stdout, "%d\n", num[i] );
  44.  
  45.     fprintf( stdout, "execute Time: %f sec.\n", exeTime );
  46.  
  47.     return 0;
  48. }
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https://ideone.com/zzBk5
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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