#include<bits/stdc++.h>
#define fi first
#define sc second
#define ll long long
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n, q, rmq[25][200001], lg[400001];
int main()
{
    f>>n>>q;
    for(int i=2; i<=n; i++)
        lg[i]=lg[i/2]+1;
    for(int i=1; i<=n; i++)
    {
        int x;
        f>>x;
        rmq[0][i]=x;
    }
    for(int i=1; i<=lg[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;
        int nr=lg[b-a+1];
        g<<min(rmq[nr][a], rmq[nr][b-(1<<nr)+1])<<'\n';
    }
    return 0;
}