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#include <bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int logaritmi[100005];
int RMQ[100005][22],sir[100005];
int n,i,j,q,a,b,rasp;
int main()
{
    f>>n>>q;
    for (i=1;i<=n;i++)
    {   f>>sir[i];
        RMQ[i][0]=sir[i];
    }
    for (i=2;i<=n;i++) logaritmi[i]=logaritmi[i/2]+1;
    for(j=1;j<=logaritmi[n];j++)
    {   //cout<<j<<"      ";
        for(i=1;i<=n;i++)
        {   RMQ[i][j]=min(RMQ[i][j-1],RMQ[i+(1<<(j-1))][j-1]);
            //cout <<RMQ[i][j]<<' ';
        }
        //cout<<'\n';
    }
    while(q--)
    {   f>>a>>b;
        rasp=min(RMQ[a][logaritmi [b-a+1]],RMQ[b+1-(1<<(logaritmi[b-a+1]))][logaritmi[b-a+1]])
        ;
        g<<rasp<<'\n';
    }
    return 0;
}