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

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x...)
#endif

void solve() {
    int n, m;
    cin >> n >> m;
    map<int, vector<int>> pos;
    for (int i = 0; i < n; i++) {
        int a;
        cin >> a;
        pos[a].push_back(i);
    }
    while (m--) {
        int x, y;
        cin >> x >> y;
        long long res = 0;
        if (pos[x].size() <= pos[y].size()) {
            for (int i = 0; i < pos[x].size(); i++) {
                int cnty = pos[y].size() - (upper_bound(pos[y].begin(), pos[y].end(), pos[x][i]) - pos[y].begin());
                res = max(res, 1LL * (i + 1) * cnty);
            }
        } else {
            for (int i = 0; i < pos[y].size(); i++) {
                int cntx = upper_bound(pos[x].begin(), pos[x].end(), pos[y][i]) - pos[x].begin();
                res = max(res, 1LL * (i + 1) * cntx);
            }
        }
        cout << res << '\n';
    }

}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int tests = 1;
    // cin >> tests;
    while (tests--) {
        solve();
    }
    return 0;
}