#include <bits/stdc++.h>

using namespace std;

ifstream in("rmq.in");
ofstream out("rmq.out");

int n,q;
int rmq[17][100001];

int main()
{
    in>>n>>q;

    for(int i=1;i<=n;i++)
        in>>rmq[0][i];

    int rMax=log2(n);

    for(int r=1,l=1;r<=rMax;r++,l*=2)
        for(int i=1;i<=n-2*l+1;i++)
            rmq[r][i]=min( rmq[r-1][i] , rmq[r-1][i+l] );

    for(int a,b,k=1;k<=q;k++)
    {
        in>>a>>b;

        int r=log2(b-a+1);
        int l=1<<r;

        out<<min( rmq[r][a] , rmq[r][b-l+1] )<<'\n';
    }

    return 0;
}