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  1. // From http://w...content-available-to-author-only...n.ru/forum/job/5103906.1
  2.  
  3. #include <stdio.h>
  4. #include <assert.h>
  5.  
  6. char *group(char *S) {
  7.     int i;
  8.     char *p = S+1;
  9.     for (; *p; ++p ) {
  10.         char *pp = p-1;
  11.         for (; pp >= S; --pp) {
  12.             if ( *pp == *p ) // is not first
  13. 	    {
  14.                 memmove(pp+1,pp,p-pp);
  15. 		break; // <----------------
  16. 	    }
  17.         }
  18.     }    
  19.     return S;
  20. }
  21.  
  22. int main() {
  23.     int i;
  24.     char test[5][30] = {
  25.       "vvabcbbcc",
  26.       "asdfrrafdsr",
  27.       "abcdefgijkl",
  28.       "010101010101",
  29.       "totobobolol"
  30.     };
  31.     for ( i = 0; i < 5; ++i ) { 
  32.       printf("%s\n",group(test[i]));
  33.     }
  34. }
Runtime error #stdin #stdout 0s 1788KB
comments (?)
stdin
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Standard input is empty
stdout
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vvabbbccc
aassddffrrr
abcdefgijkl
000000111111
ttooooobbll
https://ideone.com/E6SYT0
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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