#include <bits/stdc++.h>
using namespace std;

int main()
{
	ios_base::sync_with_stdio(false);
	int t, r, c, i, j, na, nl, ni, nz, nw, ne;
	vector <string> v;
	string str;
	cin >> t;
	while(t --)
	{
		cin >> r >> c;
		v.clear();
		na = nl = ni = nz = nw = ne = 0;
		for(i = 1; i <= r; i ++)
		{
			cin >> str;
			v.push_back(str);
		}
        for(i = 0; i < r; i ++)
        {
        	str = v[i];
        	for(j = 0; j < c; j ++)
        	{
        		if(str[j] == 'A')
        			na ++;
        		else if(str[j] == 'L')
        			nl ++;
        		else if(str[j] == 'I')
        			ni ++;
        		else if(str[j] == 'Z')
        			nz ++;
        		else if(str[j] == 'W')
        			nw ++;
        		else if(str[j] == 'E')
        			ne ++;
        	}
        }
        if(na >= 1 && nl >= 4 && ni >= 1 && nz >= 2 && nw >= 1 && ne >= 1)
        	cout << "YES \n";
        else 
        	cout << "NO \n";
        if(t != 0)
            cin >> str;
	}
	return 0;
}

Line 24: error: bits/stdc++.h: No such file or directory