#include <bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n, v[200001], pd[21][200001], q;
int nr;
int lg[200001], x, y;
int main()
{
    f>>n>>q;
    for(int i=1; i<=n; i++)
        f>>pd[0][i];
    for(int i=2; i<=n; i++)
        lg[i]=lg[i>>1]+1;
    for(int i=1; i<=lg[n]; i++)
        for(int j=1; j<=n; j++)
            pd[i][j]=min(pd[i-1][j], pd[i-1][j+(1<<i-1)]);
    for(; q; q--)
    {
        f>>x>>y;
        nr=lg[y-x+1];
        g<<min(pd[nr][x], pd[nr][y-(1<<nr)+1])<<'\n';
    }
    return 0;
}