#include <fstream>
#include <iostream>
#include <algorithm>
#include <cmath>
#define N 100005
using namespace std;
int rmq[20][N],lg[N];
ifstream si("rmq.in");
ofstream so("rmq.out");

int minn(int a,int b)
{
    int put=lg[b-a+1];
    return min(rmq[put][a],rmq[put][b-(1<<put)+1]);
}
int main()
{
    int n,m;
    si>>n>>m;
    int i,j;
    for(i=1;i<=n;++i)
    {
        si>>rmq[0][i];
    }
    for(i=2;i<=n;++i)
        lg[i]=lg[i/2]+1;
    for(i=1;i<20;++i)
    {
        for(j=1;j+(1<<i-1)-1<=n;++j)
        {
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<i-1)]);
        }
    }
    int a,b;
    for(i=0;i<m;++i)
    {
        si>>a>>b;
        so<<minn(a,b)<<'\n';
    }
    return 0;
}