#include <bits/stdc++.h>
#include <fstream>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int lg[100001],rmq[30][100001];
int build(int l){
    int j;
    for(j=1;j<=l;j++){

    }
}
int main()
{
    int i,n,q,j,l,r;
    f >> n >> q;
    lg[1]=0;
    for(i=1;i<=n;i++){
        f >> rmq[0][i];
        if(i>=2){
            lg[i]=lg[i/2]+1;
        }
    }
    for(i=1;(1<<i)<=n;i++){
        for(j=1;j<=n-(1<<i)+1;j++){
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
        }
    }
    for(i=1;i<=q;i++){
        f >> l >> r;
        g << min(rmq[lg[r-l+1]][l],rmq[lg[r-l+1]][r-(1<<lg[r-l+1])+1]) << '\n';
    }
    return 0;
}