#include<cstdio>

long int N;
long int M;
long int a[100002];
long int lg[100002];
long int rmq[20][100002];

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

int main(){
	int i,j,l;
	freopen("rmq.in","r",stdin);
	freopen("rmq.out","w",stdout);

	scanf("%ld %ld",&N,&M);

	for(i=1;i<=N;i++){
		scanf("%ld",&a[i]);
		rmq[0][i]=a[i];
	}

	lg[1]=0;

	for(i=2;i<=N;i++){
		lg[i]=lg[i/2]+1;
	}

	for(i=1;(1<<i)<=N;i++){
		for(j=1;j<=N-(1<<i)+1;j++){
			l=1<<(i-1);
			rmq[i][j]=getmin(rmq[i-1][j],rmq[i-1][j+l]);
		}
	}
	long int x,y,t,u,v;
	for(i=1;i<=M;i++){
		scanf("%ld %ld",&x,&y);
		u=y-x+1;
		v=lg[u];
		t=u-(1<<v);
		printf("%ld \n",getmin(rmq[v][x],rmq[v][x+t]));
	}

	return 0;
}