#include <bits/stdc++.h>

using namespace std;

int rmq[18][200005], lg2[200005];
int main()
{

    ifstream cin("rmq.in");
    ofstream cout("rmq.out");
    int i,n,m;
    cin >> n >> m;
    for (i=1; i<=n; i++)
        cin >> rmq[0][i];
    lg2[1]=0;
    for(i=2; i<=n; i++)
        lg2[i]=lg2[i>>1]+1;
    int j,q,p,k;
    for (i=1; i<=17; i++)
        for (j=1; j<=n; j++)
            rmq[i][j]=min(rmq[i-1][j+(1<<(i-1))],rmq[i-1][j]);

    for (i=1; i<=m; i++)
    {
        cin >> p >> q;
        k=lg2[q-p];
        cout << min(rmq[k][q-(1<<k)+1],rmq[k][p]) << '\n';
    }
    return 0;
}