#include<stdio.h>
#define M(x,y) (x<y?x:y)
#define N(x,y) (a[x]<a[y]?x:y)
int n,m,a[100001],i,j,b[100001][18],k,x,y;
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",&a[i]),b[i][0]=i;
    for(j=1;(1<<j)<=n;j++)
    	for(i=0;i+(1<<j)-1<n;i++)
        	b[i][j]=a[b[i][j-1]]<a[b[i+(1<<(j-1))][j-1]]?b[i][j-1]:b[i+(1<<(j-1))][j-1];
    while(m--) 
	{
        scanf("%d%d",&x,&y),x--,y--;
        for(k=1;(1<<k)<=y-x+1;k++);
        k--,printf("%d\n",M(a[b[x][k]],a[b[y-(1<<k)+1][k]]));
    }
}