카타 8급 Remove duplicates from list

C

#include <stdlib.h>
int *distinct(const int *values, size_t count, size_t *pResultCount) {
  int* res = calloc(count, sizeof(int));
  int resCount = 0;
  for(int i=0; i<count; i++) {
    char exist = 0;
    for(int j=0; j<resCount; j++) {
      if( res[j] == values[i] ) {
        exist = 1;
        break;
      }
    }
    if( exist ) continue;
    res[resCount] = values[i];
    resCount++;
  }
  *pResultCount = resCount;
  return res;
}