#include <bits/stdc++.h>
#define int long long
#define pii pair<int, int>
#define ff first
#define ss second
using namespace std;
const int inf = 1e18 + 5;
const int mod = 1e9 + 7;
const int maxm = 5e6 + 1;
const pii bad = {inf, inf};
using ll = long long;
using ld = long double;
void solve()
{
int n, m;
cin >> n >> m;
vector<int> v(n);
for (int i = 0; i < n; i++)
cin >> v[i];
vector<vector<pii>> adj(n);
for (int i = 0; i < m; i++)
{
int a, b;
cin >> a >> b;
adj[--a].push_back({v[--b], b});
adj[b].push_back({v[a], a});
}
for(auto&a:adj)
sort(a.begin(),a.end()),reverse(a.begin(),a.end());
vector<list<pii>> graph(n);
for (int i =0 ; i < n; i++)
{
for (pii x : adj[i])
graph[i].push_back(x);
if(graph[i].size())
reverse(graph[i].begin(),graph[i].end());
}
vector<pii> orig(n);
for (int i = 0; i < n; i++)
orig[i] = {v[i], i};
sort(orig.begin(), orig.end());
vector<int> par(n, 0);
for (int i = 0; i < n; i++)
par[i] = i;
auto sz = v;
function<int(int)> fnd = [&](int x) -> int
{
if (par[x] == x)
return x;
return par[x] = fnd(par[x]);
};
auto unite = [&](int a, int b)
{
a = fnd(a), b = fnd(b);
if(a==b)return;
if (graph[a].size() > graph[b].size())
swap(a, b);
graph[b].merge(graph[a]);
par[a] = b;
sz[b] += sz[a];
};
vector<int> af(n, -1);
orig.push_back({inf, inf});
int l = 0;
for (int r = 1; r <= n; r++)
{
if (orig[r].ff != orig[r - 1].ff)
{
for (int i = l; i < r; i++)
{
int idx = orig[i].ss;
while(adj[idx].size() && (adj[idx].back()).ff <= orig[i].ff)
unite(adj[idx].back().ss,idx),adj[idx].pop_back();
}
for (int i = l; i < r; i++)
{
int idx = fnd(orig[i].ss);
int ri = orig[i].ss;
while(graph[idx].size() && graph[idx].front().ff <= orig[i].ff)
graph[idx].pop_front();
auto gurt = graph[idx];
if (gurt.empty())
af[ri] = ri;
else if (sz[fnd(ri)] >= gurt.front().ff)
af[ri] = gurt.front().ss;
}
l = r;
}
}
fnd = [&](int x)->int
{
if (af[x] == -1)return -1;
if (af[x]==x)return x;
return af[x] = fnd(af[x]);
};
for (int i = 0; i < n; i++)
{
if (fnd(i)>=0)
cout << '1';
else
cout << '0';
}
cout << '\n';
}
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
solve();
}
