can you tell me whats wrong in this code
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int r,d,i,j;
int find( int c,void *x,int i, int j, int v,int h)
{ int (*arr)[c] = static_cast<int (*)[c]>(x);
if(i==r && j==c)return 1;
else if(arr[i][j]==0)return 0;
else if(v==d+1 || h==d+1)return 0;
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