#include<bits/stdc++.h>
#define NMAX 100005

#define DIM 500000
char buff[DIM];
int poz=0;

void read(int &nr) {
	nr=0;
	char semn='+';
	while (buff[poz]<'0' || buff[poz]>'9') {
		semn=buff[poz];
		if (++poz==DIM) fread(buff,1,DIM,stdin),poz=0;
	}
	while ('0'<=buff[poz] && buff[poz]<='9') {
		nr=nr*10+buff[poz]-'0';
		if (++poz==DIM) fread(buff,1,DIM,stdin), poz=0;
	}
	if (semn=='-') nr=-nr;
		
}

using namespace std;

int rmq[NMAX][20];
int LOG[NMAX+5],n,m,a,b;


int main() {
	freopen("rmq.in", "r", stdin);
	freopen("rmq.out","w", stdout);
	read(n); read(m);
	
	for (int i=1; i<=n; i++) read(rmq[i][0]);
	for (int i=2; i<=NMAX; i++) LOG[i]=LOG[i>>1]+1;
	
	for (int j=1; (1<<j)<=n; j++) {
		for (int i=1; i+(1<<j)-1<=n; i++) {
			rmq[i][j]=min(rmq[i][j-1], rmq[i+(1<<(j-1))][j-1]);
		}
	}
	
	while (m--) {
		read(a); read(b);
		int l=b-a+1;
		int k=LOG[l];
		cout<<min(rmq[a][k], rmq[b-(1<<k)+1][k])<<'\n';
	}
	
	
	
	return 0;
}