int compress(char* chars, int charsSize){ int pst = 0; int anchor = 0; for (int i=0; i<charsSize; i++) { if (i == charsSize-1 || chars[i] != chars[i+1]) { chars[pst++] = chars[i]; if (i > anchor) { char* buff = (char*)calloc(5,sizeof(int)); sprintf(buff,"%d",i-anchor+1); for (int j=0; j<strlen(buff); j++) { chars[pst++] = buff[j]; } } anchor = i+1; } } return pst; }