#include <bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int a[100001],rmq[18][100001],n,m,x,y,p;
int main()
{
    int i,j;
    f>>n>>m;
    for(i=1; i<=n; i++)
    {
        f>>a[i];
        rmq[0][i]=a[i];
    }
    for(i=1; (1 << i)<=n; i++)
    {
        for(j=1; j+(1 << (i-1))<=n; 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;
        p=log2(y-x+1);
        g<<min( rmq[p][x], rmq[p][y-( 1<<p) +1])<<'\n';
    }
    return 0;
}