#include<fstream>
#include <vector>
using namespace std;
long int rmq[18][100001];
long int n,m;
long int lg[100001];
long int a[100001];

int main()
{
	ifstream fin("rmq.in");
	ofstream fout("rmq.out");
	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];
	for(int i=1; (1 << i) <=n;i++)
		for(int j=1;j <= n - (1 << i)+1;j++)
		{
			int l=1<<(i-1);
			rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+l]);
		}
	long int x,y,diff,sh;
	for (;m;--m)
	{
		int l;
		fin>>x>>y;
		diff=y-x+1;
		l=lg[diff];
		sh=diff - (1<<l);
		fout<<min(rmq[l][x],rmq[l][x+sh])<<"\n";
	}	
}