#include <bits/stdc++.h>

using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int rmq[20][100005],lg;
int main()
{
    int n,m,a,b;
    in>>n>>m;
    for(int i=0;i<n;i++)
        in>>rmq[0][i];
    lg=log2(n);
    for(int j=1;j<=lg;j++)
         for(int i=0;i<=n-(1<<j);i++)
            rmq[j][i]=min(rmq[j-1][i],rmq[j-1][i+(1<<(j-1))]);
    for(int i=1;i<=m;i++)
    {
        in>>a>>b;
        a--;
        b--;
        if(a==b)
            lg=0;
        else
            lg=log2(b-a);
        out<<min(rmq[lg][a],rmq[lg][b-(1<<lg)+1])<<"\n";
    }
    return 0;
}