#include <bits\stdc++.h>

using namespace std;
int a[100005][25],t[100005],n,m;

int main()
{
    int x,y,k,s,i;
    ifstream fin("rmq.in");
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        fin>>t[i];
        a[i][0]=t[i];
    }
    for(k=1,s=2;s<=n;s*=2,k++)
    {
        for(i=1;i+s-1<=n;i++)
        {
            a[i][k]=min(a[i][k-1],a[i+s/2][k-1]);
        }
    }
    ofstream fout("rmq.out");
    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        s=1;
        k=0;
        while(s*2+x-1<=y)
        {
            k++;
            s*=2;
        }
        fout<<min(a[x][k],a[y-s+1][k])<<"\n";
    }
    fout.close();
    fin.close();
    return 0;
}