OJ Board

HELP ME pleaseee... i very keen that my code is true, but why WA ?

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <iostream>
using namespace std;
int memcache[1004][1004];
int data[60];
int result;
bool state[1004];
int rekursi(int lb , int rb)
{
if(memcache[ data[lb] ][ data[rb ...

HELPPP... i really don't get to understand the meaning of this problem +_+
can someone please give a short explanation please?
i'm already see http://www.algorithmist.com/index.php/U ... xplanation
but still don't get the problem meaning, very stressed +_+

Thanks in advande

Input: 1
33
16
4 6 9 7 6 0 3 4 6 0 8 5 1 2 1 8
9 6 0 3 8 7 1 3 3 4 1 2 9 5 5 3
4 4 3 0 6 6 6 2 9 6 7 2 1 0 1 0
6 1 3 6 0 4 9 5 1 3 7 0 8 2 5 4
8 8 6 4 7 4 6 6 1 5 8 2 5 1 2 3
4 7 0 4 2 1 9 5 4 8 5 5 2 0 9 2
9 8 6 6 2 4 4 5 1 4 9 8 6 3 2 0
1 4 7 5 5 8 0 0 7 5 5 1 7 6 4 8
4 2 6 9 7 0 4 0 5 4 9 3 7 3 ...

Excuse me, judge.. I just want to ask, is there any problem in judging answer in 929 Number Maze problem?
because all of my submission is always got "Submission Error", each time i submit answer, regardless what kind of answer i submited.

Thanks in advance =D