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  1. #include <stdio.h>
  2.  
  3. char *rot13_string(char *string)
  4. {
  5.     int i;
  6.     for(i=0;string[i]!='\0';i++)
  7.     {
  8.         if(string[i]>64&&string[i]<78)
  9.         {
  10.             string[i]=string[i]+13;
  11.             continue;
  12.         }
  13.         if(string[i]>77&&string[i]<91)
  14.         {
  15.             string[i]=string[i]-13;
  16.             continue;
  17.         }
  18.         if(string[i]>96&&string[i]<110)
  19.         {
  20.             string[i]=string[i]+13;
  21.             continue;
  22.         }
  23.         if(string[i]>109&&string[i]<123)
  24.         {
  25.             string[i]=string[i]-13;
  26.             continue;
  27.         }
  28.         else
  29.         {
  30.             string[i]=string[i];
  31.             continue;
  32.         }
  33.     }
  34.     return string;
  35. }	
  36.  
  37. int main()
  38. {
  39. char s1[]="test";
  40. printf("test = %s\n",rot13_string(s1));
  41. return 0;
  42. }	
  43.  
Success #stdin #stdout 0.02s 1676KB
comments (?)
stdin 
Standard input is empty
stdout 
test = grfg
https://ideone.com/EBjOu
language:
C (gcc 8.3)
created:
13 years ago
visibility:
public

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