#include <bits/stdc++.h>
#define NMAX 100005
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int rmq[20][NMAX],n,m,lg[NMAX];

int main()
{
    int x,y,i,j,k;
    f>>n>>m;
    lg[1]=0;
    for(i=2;i<=n;i++)
    {
        lg[i]=lg[i>>1]+1;
    }
    for(i=1;i<=n;i++)
    {
        f>>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))]);
        }
    }
    for(i=1;i<=m;i++)
    {
        f>>x>>y;
        if(x>y) swap(x,y);
        k=lg[y-x+1];
        g<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<'\n';
    }
    return 0;
}