#include <fstream>
#define NMAX 100005
using namespace std;
int rmq[18][NMAX],power[NMAX];
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m;
inline void query()
{
	int x,y,i,dif,plus;
	fin>>x>>y;
	if(x>y)
		swap(x,y);
	dif=y-x+1;
	i=power[dif];
	plus=dif-(1<<i);
	fout<<min(rmq[i][x],rmq[i][x+plus])<<'\n';
}
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
		fin>>rmq[0][i];
	for(int i=2;i<=n;i++)
		power[i]=power[i/2]+1;
	for(int i=1,p=(1<<i);p<=n;i++,p=(1<<i))
		for(int j=1;j<=n-p+1;j++)
		{
			int k=p>>1;
			rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+k]);
		}
	while(m--)
		query();
	fin.close();
	fout.close();
    return 0;
}