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  1.  
  2.  
  3. //      CHALLENGE PAR Ryscrow - http://w...content-available-to-author-only...e.org/fr/Challenges/Cryptanalyse/Decomposition-pixelisee
  4. // --------------------------------------------------------------------------------------------------------------
  5.  
  6.  
  7. #include <stdio.h>
  8. #include <stdlib.h>
  9.  
  10.  
  11. void Afficher(char car, unsigned int nb)
  12. {
  13. unsigned int c = 0;
  14. char pixel;
  15.  
  16. if (car == '0') { pixel = '\x20'; } // Voir une table ASCII - correspond à un espace (pixel noir)
  17. else { pixel = '\xdb'; } // correspond à un rectangle plein (pixel blanc)
  18.  
  19. while (c != nb)
  20.       {
  21.       printf("%c", pixel);
  22.       c++;
  23.       }
  24.  
  25. }
  26.  
  27. //------------------------------------------------
  28.  
  29. int Analyser()
  30. {
  31. FILE *hFichier = fopen("decomp_pixel.txt", "r");
  32. char car = 0, nb1 = 0, nb2 = 0, curseur;
  33.  
  34. if (hFichier == NULL)
  35.    {
  36.    printf("\t>Impossible de trouver le fichier\n\n");
  37.    return 0;
  38.    }
  39. printf("\n");
  40.  
  41. while (fread(&car, 1, sizeof(char), hFichier) != 0)
  42.       {
  43.       if (car == '\n') { fread(&curseur, 1, 1, hFichier); printf("\n");  continue; } // Fin de ligne
  44.       if (car == '+') { continue; }
  45.       fread(&curseur, 1, 1, hFichier); // On déplace le curseur de 1 caractère
  46.       fread(&nb1, 1, sizeof(char), hFichier); // On lit les deux caractères suivant le 'x'
  47.       fread(&nb2, 1, sizeof(char), hFichier); // Le second peut être un chiffre, un '+' ou un saut de ligne
  48.       if (nb2 == '+') { Afficher(car, nb1 - 48); } // On soustrait 48 pour obtenir le chiffre et non le caractère ASCII
  49.       else if (nb2 == '\n') { printf("\n"); fread(&curseur, 1, 1, hFichier); }
  50.       else { Afficher(car, (nb1-48)*10 + (nb2-48)); } // S'il s'agit d'un chiffre
  51.  
  52.       }
  53.  
  54. printf("\n\n\n\n");
  55. fclose(hFichier);
  56.  
  57. }
  58.  
  59.  
  60. //------------------------------------------------
  61.  
  62. int main(int argc, char *argv[])
  63. {
  64.  
  65.   Analyser();
  66.  
  67.   system("PAUSE");	
  68.   return 0;
  69. }
  70.  
  71.  
Success #stdin #stdout #stderr 0.01s 5280KB
comments (?)
stdin
copy 
0x3+1x1+0x1+0x1+0x7+1x2+0x15+1x1+0x8+1x1+0x8+1x1+0x1+1x1+0x1+1x1+0x1+1x1+0x1+1x1+0x3+1x1+0x1+1x1+0x3+1x1+0x1+1x4+0x2+1x1+0x25

0x2+1x1+0x4+1x1+0x4+1x3+0x1+1x2+0x2+1x8+0x11+1x4+0x1+1x3+0x6+1x2+0x4+1x1+0x4+1x2+0x7+1x4+0x4+1x2+0x7+1x2+0x3+1x2+0x3

0x3+1x1+0x2+1x1+0x2+1x1+0x11+1x2+0x2+1x3+0x7+1x1+0x4+1x2+0x2+1x2+0x7+1x1+0x6+1x1+0x2+1x1+0x4+1x3+0x1+1x1+0x4+1x1+0x2+1x1+0x2+1x1+0x3+1x1+0x2+1x3+0x2+1x2+0x3

1x1+0x2+1x1+0x4+1x1+0x2+1x1+0x1+1x1+0x2+1x1+0x2+1x1+0x1+1x2+0x2+1x2+0x1+1x2+0x3+1x1+0x3+1x1+0x2+1x2+0x1+1x3+0x3+1x1+0x2+1x1+0x4+1x2+0x1+1x1+0x4+1x1+0x3+1x2+0x12+1x2+0x1+1x1+0x3+1x7+0x3

0x3+1x1+0x7+1x1+0x1+1x1+0x4+1x1+0x2+1x2+0x2+1x2+0x4+1x1+0x2+1x1+0x1+1x2+0x1+1x8+0x1+1x1+0x4+1x1+0x5+1x1+0x3+1x2+0x2+1x1+0x1+1x2+0x2+1x1+0x3+1x2+0x9+1x1+0x1+1x2+0x2+1x3+0x2+1x1                

0x7+1x1+0x4+1x1+0x4+1x1+0x1+1x1+0x1+1x7+0x3+1x1+0x1+1x2+0x3+1x1+0x1+1x6+0x1+1x1+0x3+1x1+0x2+1x1+0x14+1x2+0x8+1x1+0x10+1x2+0x3+1x2+0x1+1x1+0x1

0x6+1x5+0x4+1x1+0x7+1x1+0x2+1x1+0x3+1x2+0x4+1x1+0x8+1x1+0x3+1x2+0x1+1x2+0x3+1x1+0x8+1x1+0x2+1x2+0x1+1x1+0x3+1x7+0x5+1x2+0x2+1x1+0x2+1x2+0x3

0x1+1x1+0x2+1x1+0x1+1x2+0x5+1x1+0x6+1x2+0x3+1x1+0x2+1x1+0x1+1x2+0x20+1x8+0x1+1x1+0x1+1x1+0x4+1x2+0x3+1x1+0x2+1x2+0x3+1x2+0x7+1x2+0x3+1x2+0x4

0x2+1x1+0x3+1x5+0x5+1x2+0x7+1x1+0x4+1x2+0x2+1x1+0x2+1x2+0x1+1x1+0x3+1x1+0x6+1x2+0x2+1x2+0x3+1x2+0x2+1x3+0x1+1x1+0x6+1x3+0x3+1x5+0x3+1x1+0x4+1x1+0x5

0x4+1x2+0x3+1x2+0x3+1x1+0x5+1x2+0x2+1x1+0x1+1x1+0x1+1x1+0x1+1x2+0x9+1x1+0x3+1x1+0x2+1x1+0x1+1x1+0x2+1x1+0x1+1x2+0x2+1x1+0x2+1x1+0x1+1x1+0x4+1x3+0x1+1x1+0x2+1x2+0x3+1x2+0x3+1x1+0x5+1x1+0x4+1x1+0x2

0x6+1x5+0x4+1x1+0x1+1x1+0x2+1x2+0x6+1x1+0x1+1x7+0x4+1x3+0x3+1x1+0x4+1x1+0x2+1x2+0x4+1x1+0x6+1x1+0x6+1x8+0x3+1x1+0x5+1x1+0x7

0x2+1x1+0x3+1x6+0x4+1x1+0x1+1x3+0x4+1x1+0x2+1x2+0x4+1x1+0x5+1x1+0x2+1x1+0x3+1x2+0x3+1x1+0x2+1x3+0x1+1x1+0x2+1x2+0x3+1x3+0x2+1x3+0x9+1x1+0x4+1x2+0x7+1x2
stdout
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	>Impossible de trouver le fichier
stderr
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sh: 1: PAUSE: not found
https://ideone.com/858wid
language:
C (gcc 8.3)
created:
10 hours ago
visibility:
public

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