#include<bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n, q, rmq[25][100001], lg[200001], nr, v[100001];
int main()
{
    f>>n>>q;
    for(int i=1; i<=n; i++)
        f>>v[i];
    for(int i=1; i<=n; i++)
        rmq[0][i]=v[i];
    for(int i=2; i<=200200; i++)
        lg[i]=lg[i/2]+1;
    for(int i=1; (1<<i)<=n; i++)
        for(int j=1; j<=n; j++)
            rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j+(1<<(i-1))]);
    for(; q; q--)
    {
        int a, b;
        f>>a>>b;
        nr=lg[b-a+1];
        g<<min(rmq[nr][a], rmq[nr][b-(1<<nr)+1])<<'\n';
    }
    return 0;
}