#include <bits/stdc++.h>

using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int lg[100001];
int rmq[18][100001];
int n,q,i,j,x,y,l,dif,rs;
int main()
{
    fin>>n>>q;
    for(i=2;i<=n;i++)lg[i]=1+lg[i/2];
    for(i=1;i<=n;i++)fin>>rmq[0][i];
    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))]);
    while(q--)
    {
        fin>>x>>y;
        dif=y-x+1;
        l=lg[dif];
        rs=dif-(1<<l);
        fout<<min(rmq[l][x],rmq[l][x+rs])<<"\n";
    }
    return 0;
}