#include <bits/stdc++.h>
using namespace std;
int n, m, a, b;
long long root;
int s[200005];
int par[200005], ans[200005];
vector<tuple<int, int, int>> e1, e2;
vector<int> adj[200005];
long long sum[200005];
int fpar(int x) {
return x == par[x] ? x : par[x] = fpar(par[x]);
}
long long dfssum(int x) {
sum[x] = s[x];
for(int e:adj[x])
sum[x] += dfssum(e);
return sum[x];
}
void dfsans(int x, int parval = -1, bool parans = 1) {
ans[x] = (sum[x] >= parval && parans);
for(int e:adj[x])
dfsans(e, s[x], ans[x]);
}
int main() {
cin.tie(0) -> sync_with_stdio(0);
cin >> n >> m; root = 1ll*n*(n+1)/2;
for(int i=1;i<=n;i++) {
cin >> s[i]; par[i] = i;
}
for(int i=1;i<=m;i++) {
cin >> a >> b;
e1.emplace_back(max(s[a], s[b]), a, b);
}
sort(e1.begin(), e1.end());
for(auto e:e1) {
//cout<<get<0>(e);
if(fpar(get<1>(e)) == fpar(get<2>(e))) continue;
e2.emplace_back(e); par[fpar(get<1>(e))] = fpar(get<2>(e));
}
for(int i=1;i<=n;i++) par[i]=i;
for(auto e:e2) {
if(s[get<1>(e)] == get<0>(e)) {
//cout << get<1>(e) << ' ' << get<2>(e) << ": ";
root -= fpar(get<2>(e)); //cout << "Neg " << fpar(get<2>(e));
adj[fpar(get<1>(e))].emplace_back(fpar(get<2>(e)));
par[fpar(get<2>(e))] = fpar(get<1>(e));
} else {
root -= fpar(get<1>(e)); //cout << "Neg " << fpar(get<1>(e));
adj[fpar(get<2>(e))].emplace_back(fpar(get<1>(e)));
par[fpar(get<1>(e))] = fpar(get<2>(e));
}
}
dfssum(root); dfsans(root);
for(int i=1;i<=n;i++) cout << ans[i];
}
