#include <stdio.h>

#define IN "rmq.in"
#define OUT "rmq.out"
#define NMAX 100002
#define LMAX 18

FILE *fin=fopen(IN,"r");
FILE *fout=fopen(OUT,"w");

long int rmq[LMAX][NMAX];
long int n,m;
long int lg[NMAX];
long int a[NMAX];

long int min(long int,long int);

int main()
{
 long int i,j,l;
 long int x,y,diff,sh;

 fscanf(fin,"%ld %ld",&n,&m);

 for(i=1;i<=n;i++)
  fscanf(fin,"%ld ",&a[i]);

 lg[1]=0;

 for(i=2;i<=n;i++)
  lg[i]=lg[i/2]+1;

 for(i=1;i<=n;i++)
  rmq[0][i]=a[i];

 for(i=1;(1<<i)<=n;i++)
  for (j=1;j<=n-(1<<i)+1;j++)
  {
   l=1<<(i-1);
   rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+l] );
  }
	
 for(i=1;i<=m;i++)
 {
  fscanf(fin,"%ld %ld",&x,&y);
		
  diff=y-x+1;
  l=lg[diff];
  sh=diff-(1<<l);
  fprintf(fout,"%ld\n",min(rmq[l][x],rmq[l][x+sh]) );
 }	
 return 0;
}

long int min(long int x,long int y)
{
 if(x<y)
 return x;
return y;
}