#include<stdio.h>
#define maxn 100001
#define logmax 18
FILE *f=fopen("rmq.in","r"), *g=fopen("rmq.out","w");
long int a[maxn],log[maxn],rmq[maxn][logmax],i,j,x,y,n,m;

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

int main()
{
	fscanf(f,"%ld %ld",&n,&m);
	for(i=1;i<=n;i++) fscanf(f,"%ld",&a[i]);
	
	log[1]=0;
	for(i=2;i<=n;i++)
		log[i]=log[i/2]+1;
	
	for(i=1;i<=n;i++)
		rmq[i][0]=a[i];
	
	for(j=1;(1<<j)<=n;j++)
		for(i=1;i<=n-(1<<j)+1;i++)
			rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
	
		
	for(i=1;i<=m;i++)
	{
		fscanf(f,"%ld %ld",&x,&y);
		int k=log[y-x+1];
		fprintf(g,"%ld\n",min(rmq[x][k],rmq[y-(1<<k)+1][k]));
	}
	
	fclose(f);
	fclose(g);
	return 0;
}