#include <bits/stdc++.h>
using namespace std;
#define nmax 100002
#define lmax 20
ifstream f("rmq.in");
ofstream g("rmq.out");

int rmq[lmax][nmax],v[nmax],lg[nmax];

int main()
{
    int n,m,l;
    f>>n>>m;
    for(int i=1;i<=n;++i)
        f>>v[i];
    lg[1]=0;
    for(int i=2;i<=n;++i)
        lg[i]=lg[i/2]+1;
    for(int i=1;i<=n;++i)
        rmq[0][i]=v[i];
    for(int i=1;(1<<i)<=n;++i)
        for(int j=1;j<=n-(1<<i)+1;++j)
            {
                l=1<<(i-1);
                rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+l]);
            }
    int x,y,d,s;
    for(int i=1;i<=m;++i)
    {
        f>>x>>y;
        d=y-x+1;
        l=lg[d];
        s=d-(1<<l);
        g<<min(rmq[l][x],rmq[l][x+s])<<"\n";
    }
}