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  1. #include <stdio.h>
  2.  
  3. unsigned char ArrOne[][2] = {
  4.     {1, 'a'},
  5.     {7, 'e'},
  6.     {5, 'c'},
  7.     {4, 'x'},
  8.     {2, 'r'}
  9. };
  10. unsigned char ArrTwo[][2] = {
  11.     {7, 'k'},
  12.     {9, 'z'},
  13.     {1, 'y'},
  14.     {3, 'x'},
  15.     {2, 'b'}
  16. };
  17.  
  18. int main(void) {
  19. 	unsigned char one[128] = {0};
  20. 	for (int i = 0 ; i != 5 ; i++) {
  21. 		one[ArrOne[i][1]] = ArrOne[i][0];
  22. 	}
  23. 	char two[128] = {0};
  24. 	for (int i = 0 ; i != 5 ; i++) {
  25. 		two[ArrTwo[i][0]] = ArrTwo[i][1];
  26. 	}
  27. 	char lookup[128];
  28. 	for (int c = 0 ; c != 128 ; c++) {
  29. 		char r = two[one[c]];
  30. 		lookup[c] = r ? r : c;
  31. 	}
  32. 	char str[] = "There is my text.";
  33. 	printf("%s\n", str);
  34. 	for (char *p = str ; *p ; p++) {
  35. 		*p = lookup[(int)*p];
  36. 	}
  37. 	printf("%s\n", str);
  38. 	return 0;
  39. }
  40.  
Success #stdin #stdout 0s 10320KB
comments (?)
stdin 
Standard input is empty
stdout 
There is my text.
Thkbk is my tkxt.
https://ideone.com/wZLwf2
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

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