#include <fstream>
#include <bits/stdc++.h>

using namespace std;

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


int v[100005][17];

int main()
{
    int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>v[i][0];
    }
    for(int i=1;i<=int(log2(n));i++)
    {
        for(int j=1;j<=n-(1<<i)+1;j++)
        {
             v[j][i]=min(v[j][i-1],v[j+(1<<i-1)][i-1]);
        }
    }
    for(int i=1;i<=m;i++)
    {
        int mn,mx,k;
        fin>>mn>>mx;
        k=mx-mn+1;
        fout<<min(v[mn][int(log2(k))],v[mx-(1<<int(log2(k)))+1][int(log2(k))])<<'\n';
    }
    return 0;
}