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Alright, I'm getting RE (runtime) errors, anyone see anything wrong here?

#include <iostream>
#include <string.h>

int main()
{
int x=-1,y=-1;
int count=1;

while(std::cin >> x >> y)
{
if(x==0&&y==0)
return 0;

char field[10000][10000];
//*field=new char[x];

//for(int i=0; i<x; i ...