#include<stdio.h>
int lg[100005],v[20][100005],n,m,i,k,l,j,x,y;
int main()
{
	freopen("rmq.in","r",stdin);
	freopen("rmq.out","w",stdout);
	scanf("%d %d",&n,&m);
	scanf("%d",&v[0][1]);
	for(i=2;i<=n;i++)
	{
		scanf("%d",&v[0][i]);
		lg[i]=lg[i/2]+1;
	}
	for(i=1;i<=lg[n];i++)
		for(j=1;i<=lg[n+1-j];j++)
			if(v[i-1][j]<v[i-1][j+(1<<(i-1))])
				v[i][j]=v[i-1][j];
			else v[i][j]=v[i-1][j+(1<<(i-1))];
	for(i=1;i<=m;i++)
	{
		scanf("%d %d",&x,&y);
		l=y-x+1;
		k=lg[l];
		if(v[k][x]<v[k][y+1-(1<<k)])
			printf("%d\n",v[k][x]);
		else printf("%d\n",v[k][y+1-(1<<k)]);
	}
	return 0;
}