#include<stdio.h>
#include<algorithm>
#include<assert.h>
using namespace std;
int n,m,i,j,x,y;
int a[18][100003];
short lg[100003];
int main()
{
	freopen("rmq.in","r",stdin);
	freopen("rmq.out","w",stdout);
	scanf("%d%d",&n,&m);
	for(i=1;i<=n;i++)
	{
		scanf("%d\n",&a[0][i]);
	}
	for(i=2;i<=n;i++)
		lg[i]=lg[i/2]+1;
	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))]);
	}
	for(;m--;)
	{
		scanf("%d%d",&x,&y);
		int dist=y-x+1;
		printf("%d\n",min(a[lg[dist]][x],a[lg[dist]][y-(1<<lg[dist])+1]));
	}
	return 0;
}