#include<stdio.h>
int n,m,v[100002],rmq[19][100002],log[19];

inline int min(int x, int y){return x<y?x:y;}

int main()
{
	freopen("rmq.in","r",stdin);
	freopen("rmq.out","w",stdout);
	scanf("%d%d",&n,&m);
	int i,j,lim,x,y;
	for(i=1;i<=n;i++)
		scanf("%d",&v[i]),rmq[0][i]=v[i];
	for(i=1;i<=n;i++)
	{
		lim=n-(1<<i)+1;
		for(j=1;j<=lim;j++)
			rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
	}
	for(i=2;i<=n;i++)
		log[i]=log[i>>1]+1;
	for(i=1;i<=m;i++)
	{
		scanf("%d%d",&x,&y);
		printf("%d\n",min(rmq[log[y-x+1]][x],rmq[log[y-x+1]][y+1-(1<<log[y-x+1])]));
	}
	return 0;
}