#include<fstream>
#define Nmax 100001
#define lgMax 18
using namespace std;
int N,M,v[Nmax],A[lgMax][Nmax],lg[Nmax];
void init()
{
	int i,j;
	for(j=1;(1<<j)<=N;++j)
	{
		for(i=1;i+(1<<j)-1<=N;++i)
			A[j][i] = min(A[j-1][i], A[j-1][i+(1<<j-1)]);
	}
}
int main()
{
	ifstream f("rmq.in");
	f>>N>>M;
	int i,x,y,k,diff;
	for(i=2;i<=N;++i)
		lg[i]=lg[i/2]+1;
	
	for(i=1;i<=N;++i)
	{
		f>>v[i];
		A[0][i] = v[i];
	}
	init();
	ofstream g("rmq.out");
	
	while(M--)
	{
		f>>x>>y;
		diff = y-x+1;
		k = lg[diff];
		g<<min(A[k][x] ,  A[k][y-(1<<k)+1])<<"\n";
	}
	f.close();
	g.close();
	return 0;
}