#include<bits/stdc++.h>
#define ll long long
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
ll n, rmq[18][100001], q, lg[100001], l, v[100001];
int main()
{
    f>>n>>q;
    for(int i=1; i<=n; i++)
        f>>v[i];
    lg[1]=0;
    for(int i=2; i<=n; i++)
        lg[i]=lg[i/2]+1;
    for(int i=1; i<=n; i++)
        rmq[0][i]=v[i];
    for(int i=1; (1<<i)<=n; i++)
        for(int j=1; j<=n-(1<<i)+1; j++)
            rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j+1]);
    ll x, y, d, a;
    for(int i=1; i<=q; i++)
    {
        f>>x>>y;
        d=y-x+1;
        l=lg[d];
        a=d-(1<<l);
        g<<min(rmq[l][x], rmq[l][x+a])<<'\n';
    }
    return 0;
}