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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. const int mval = 500;
  5. const int nval = 20;
  6.  
  7. int r[1001];
  8. int rII[1001];
  9.  
  10. int coot[501];
  11. int cootII[501];
  12. int cootIII[501];
  13. int cootIV[501];
  14.  
  15. int x=0;
  16. int k=0;
  17. int j=0;
  18. int i=0;
  19.  
  20. int main(void){
  21.  
  22. for(i; i<nval; i++){
  23.   r[i] = rand() % 501;
  24.   coot[r[i]]++;
  25.   printf("%i, ", r[i]);
  26.   }
  27.  
  28. for(i=0;i<500;i++)
  29.   if(coot[i]>0){
  30.     cootII[i] = j;
  31.     cootIII[j] = k;
  32.     k += coot[i];
  33.     j++;
  34.     }
  35.  
  36.  
  37. printf("\n");
  38.  
  39. for(i=0; i<nval; i++){
  40.   x = cootII[r[i]];
  41.   rII[cootIII[x]+cootIV[x]] = i;
  42.   cootIV[x]++;
  43.   }
  44.  
  45. for(i=0; i<nval; i++)
  46.   printf("%i, ", r[rII[i]]);
  47.  
  48. printf("\n\n index \n");  
  49.  
  50. for(i=0; i<nval; i++)
  51.   printf("%i, ", rII[i]);
  52.  
  53.  
  54. return 0;    
  55.  
  56. }
Success #stdin #stdout 0s 1848KB
comments (?)
stdin 
Standard input is empty
stdout 
7, 406, 105, 487, 113, 52, 490, 57, 498, 388, 50, 439, 80, 421, 131, 253, 129, 309, 208, 28, 
7, 28, 50, 52, 57, 80, 105, 113, 129, 131, 208, 253, 309, 388, 406, 421, 439, 487, 490, 498, 

 index 
0, 19, 10, 5, 7, 12, 2, 4, 16, 14, 18, 15, 17, 9, 1, 13, 11, 3, 6, 8,
https://ideone.com/rEaa1D
language:
C (gcc 8.3)
created:
13 years ago
visibility:
secret

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