#include<cstdio>
#include<vector>
using namespace std;
#define NMAX 100001
#define LMAX 18
long int rmq[LMAX][NMAX];
long int lg[NMAX];
long int m,n,i,j,l;
long int a[NMAX];
int main()
{
freopen("rmq.in","r",stdin);
freopen("rmq.out","w",stdout);
scanf("%ld%ld",&n,&m);
for(i=1;i<=n;i++)
	scanf("%ld",&a[i]);
lg[1]=0;
for(i=2;i<=n;i++)
	lg[i]=lg[i/2]+1;
for(i=1;i<=n;i++)
	rmq[0][i]=a[i];
for(i=1;(1<<i)<=n;i++)
	for(j=1;j<=n-(1<<i)+1;j++){
	rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+1]);
	}
	
	long int x,y,diff,sh;
	for(i=1;i<=m;i++)
	{
		scanf("%ld%ld",&x,&y);
		diff=y-x+1;
		l=lg[diff];
		sh=diff-(1<<l);
		printf("%ld\n",min(rmq[l][x],rmq[l][x+sh]));
	}
	
return 0;
}