#include<stdio.h>
#define min(a,b) a<b?a:b
#define NMAX
int v[NMAX],M[NMAX][18],n,m,i,x,y,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",&v[i]);
		M[i][0]=v[i];
		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",&x,&y);
		x--;
		y--;
		int k=lg[y-x+1];
		printf("%d\n",min(M[x][k],M[y-(1<<k)+1][k]));
	}
	return 0;
}