/*
    Look at me!
    Look at me!
    The monster inside me has grown this big!
*/
 
#include<fstream>
#include<iostream>
#include<cstdio>
#include<map>
#include<set>
#define FIT(a,b) for(vector<int >::iterator a=b.begin();a!=b.end();a++)
#define RIT(a,b) for(vector<int>::reverse_iterator a=b.end();a!=b.begin();++a)
#include<stack>
#define ROF(a,b,c) for(int a=b;a>=c;--a)
#include<vector>
#include<algorithm>
#define FOR(a,b,c) for(int a=b;a<=c;++a)
#define REP(a,b) for(register int a=0;a<b;++a)
#include<cstring>
#include<bitset>
#include<cmath>
#include<iomanip>
#include<queue>
#define debug cerr<<"OK";
#define pii pair<int,int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define ll long long
#define ull unsigned long long
#define inf 1<<30
#define eps 1.e-10
#define N 100100
#define mod 1999999973
using namespace std;
/*int dx[]={0,0,0,1,-1};
int dy[]={0,1,-1,0,0};*/
ifstream f("rmq.in");
ofstream g("rmq.out");
int r[18][N],n,m,po[N],dif,lg,x,y;
int main ()
{
	f>>n>>m;
	FOR(i,1,n)
		f>>r[0][i];
	FOR(i,2,n)
		po[i]=po[i/2]+1;
	for(int i=1,po=1;po*2<=n;++i,po<<=1)
		FOR(j,1,n-po*2+1)
			r[i][j]=min(r[i-1][j],r[i-1][j+po]);
	FOR(i,1,m)
	{
		f>>x>>y;
		dif=y-x+1;
		lg=po[dif];
		dif-=(1<<lg);
		g<<min(r[lg][x],r[lg][x+dif])<<"\n";
	}
	return 0;
}