#include <fstream>
using namespace std;
    long int a[10002],lg[10002],rmq[18][10002];

int main()
{
    ifstream fin("rmq.in");
    ofstream fout("rmq.out");
    long int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        fin>>a[i];

    lg[1]=0;
    for (int i=2;i<=n;i++)
		lg[i]=lg[i/2]+1;

	for (int i=1;i<=n;i++)
		rmq[0][i]=a[i];//pentru intervale de lungime 0
		int l;
    for(int i=1;(1<<i)<=n;i++)
        for(int j=1;j<=n-(1<<i)+1;j++)
    {
        l=1<<(i-1);
        rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+1]);
    }
    long long x,y,diff,sh;
    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;
        diff=y-x+1;//marimea intervalului
        l=lg[diff];
        sh=diff- (1<<l) ;
        fout<<min(rmq[l][x],rmq[l][x+sh])<<'\n';
    }


    return 0;
}