#include <bits/stdc++.h>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m,i,j,v[100010],rmq[100010][110],x,y,k;
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>v[i];
    for(i=1;i<=n;i++)
        rmq[i][0]=v[i];
    for(j=1; (1<<j)<=n ; j++)
        for(i=1; i+(1<<j)-1<=n;i++)
            rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        k=floor(log2(y-x+1));
        fout<<min(rmq[x][k] , rmq[y-(1<<k)+1][k])<<'\n';
    }
    return 0;
}