#include<iostream>
#include<fstream>
#define NMAX 100001
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int d[20][NMAX],lg[NMAX];
int n,m;
int main()
{
    fin>>n>>m;
    lg[1]=0;
    for(int i=2;i<=n;i++)
    lg[i]=lg[i/2]+1;
    for(int i=1;i<=n;i++)
        fin>>d[0][i];
    for(int i=1;i<=lg[n];i++)
        for(int j=1;j<=n-(1<<(i-1));j++)
          d[i][j]=min(d[i-1][j],d[i-1][j+(1<<(i-1))]);
    int k,x,y;
    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;
        k=lg[y-x+1];
        fout<<min(d[k][x],d[k][y-(1<<k)+1])<<'\n';
    }
    fout.close();
    return 0;
}