#include <bits/stdc++.h>
#define MAX 100100
#define MAX2 18
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int a[MAX];
int c[MAX][MAX2];
int main()
{
    int i,j,q,n,m,k;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>a[i];
    for(i=1;i<=n;i++)
        c[i][0]=i;
    for(j=1;(1<<j)<=n;j++)
        for(i=1;i+(1<<j)-1<=n;i++)
        if(a[c[i][j-1]]<a[c[i+(1<<(j-1))][j-1]])
        c[i][j]=c[i][j-1];
        else
            c[i][j]=c[i+(1<<(j-1))][j-1];
    for(q=1;q<=m;q++)
    {
        fin>>i>>j;
        k=log2(j-i+1);
        fout<<min(a[c[i][k]],a[c[j-(1<<k)+1][k]])<<'\n';
    }
    return 0;
}