#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <error.h>

using Guint = unsigned long;

enum JBIG2SegmentType {
  jbig2SegBitmap,
  jbig2SegSymbolDict,
  jbig2SegPatternDict,
  jbig2SegCodeTable
};

struct JBIG2Segment {
  JBIG2SegmentType getType() const { return jbig2SegCodeTable; }
};

struct JBIG2Bitmap {};

struct JBIG2SymbolDict {
  Guint getSize() const { return 1024; }
  JBIG2Bitmap *getBitmap(Guint index) { return new JBIG2Bitmap; }
};

struct GList {
  void append(void *elem) {}
  Guint getLength() { return 0; }
};

JBIG2Segment *findSegment(Guint refSeg) { return new JBIG2Segment; }

void *gmallocn(Guint nmemb, Guint size) { return calloc(nmemb, size); }

int getPos() { return 0; }

int errSyntaxError = 0;

void forcedentry_overflowable_alloc(Guint *refSegs, Guint nRefSegs) {
  JBIG2SymbolDict *symbolDict;
  JBIG2Segment *seg;
  JBIG2Bitmap **syms;
  GList *codeTables;
  Guint i, k, kk;
  Guint numSyms; // (1)

  codeTables = new GList();
  numSyms = 0;
  for (i = 0; i < nRefSegs; ++i) {
    if ((seg = findSegment(refSegs[i]))) {
      if (seg->getType() == jbig2SegSymbolDict) {
        numSyms += ((JBIG2SymbolDict *)seg)->getSize(); // (2)
      } else if (seg->getType() == jbig2SegCodeTable) {
        codeTables->append(seg);
      }
    } else {
      error(errSyntaxError, getPos(),
            "Invalid segment reference in JBIG2 text region");
      delete codeTables;
      return;
    }
  }

  // get the symbol bitmaps
  syms = (JBIG2Bitmap **)gmallocn(numSyms, sizeof(JBIG2Bitmap *)); // (3)
  kk = 0;
  for (i = 0; i < nRefSegs; ++i) {
    if ((seg = findSegment(refSegs[i]))) {
      if (seg->getType() == jbig2SegSymbolDict) {
        symbolDict = (JBIG2SymbolDict *)seg;
        for (k = 0; k < symbolDict->getSize(); ++k) {
          syms[kk++] = symbolDict->getBitmap(k); // (4)
        }
      }
    }
  }
}

int main(int argc, char **argv) {
  if (argc != 1) {
    printf("usage: ./prog < segment-count\n");
    exit(1);
  }
  unsigned long seg_count;
  scanf("%lu", &seg_count);
  Guint *segments = new Guint[seg_count];
  forcedentry_overflowable_alloc(segments, seg_count);
  delete[] segments;
  return 0;
}
