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  1.     #include <stdio.h>
  2.     #include <stdlib.h>
  3.     #include <string.h>
  4.     #define LONG 80
  5.     #define SHORT 20
  6.     void longtext(char longtxt[LONG], char shorttxt[SHORT])
  7.     {
  8.         int i, j=0, count=0;
  9.         char letter;
  10.         for (i = 0; i <= strlen(longtxt); ++i)
  11.         {
  12.             if (i == 0)
  13.             {
  14.                 letter = longtxt[i];
  15.                 ++count;
  16.             }
  17.             else if (letter == longtxt[i])
  18.                 ++count;
  19.             else
  20.             {
  21.                 shorttxt[j] = letter;
  22.                 snprintf(&shorttxt[j + 1],2,"%d",count);
  23.                 j += 2;
  24.                 count = 1;
  25.                 letter = longtxt[i];
  26.             }
  27.         }
  28.     }
  29.     int main()
  30.     {
  31.         char longtxt[LONG] = "aaabbdddd",shorttxt[SHORT];
  32.         longtext(longtxt,shorttxt);
  33.         printf("%s", shorttxt);
  34.     }
Success #stdin #stdout 0s 3412KB
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Standard input is empty
stdout
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a3b2d4
https://ideone.com/YuN2qu
language:
C++14 (clang 8.0)
created:
10 years ago
visibility:
public

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