#include<stdio.h>
#define min(a,b) a<b?a:b
#define NMAX 100005
int M[NMAX][18],n,m,i,k,j,lg[NMAX];
int main()
{
	freopen("rmq.in","r",stdin);
	freopen("rmq.out","w",stdout);
	scanf("%d %d",&n,&m);
	for(i=0;i<n;++i)
	{	
		scanf("%d",&M[i][0]);
		if(i)lg[i+1]=lg[(i+1)>>1]+1;
	}
	for(j=1;j<=lg[n];++j)
		for(i=0;j<=lg[n-i];++i)
			M[i][j]=min(M[i][j-1],M[i+(1<<(j-1))][j-1]);
	for(i=0;i<m;i++)
	{
		scanf("%d %d",&n,&j);
		k=lg[j-n+1];
		printf("%d\n",min(M[n-1][k],M[j-(1<<k)][k]));
	}
	return 0;
}