#include <bits/stdc++.h>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int rmq[20][100010];//rmq[logN][N]
int n,m,lg[100010],t;
int main()
{
    //citire
    in>>n>>m;
    for(int i=1;i<=n;i++)in>>rmq[0][i];
    //rmq
    for(int i=2;i<=n;i++)lg[i]=lg[i/2]+1;//logaritmi
    for(int i=1;(1<<i)<=n;i++)
    for(int j=1;j+(1<<i)-1<=n;j++)
        rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
    //queries
    for(;m;m--)
    {
        int x,y;
        in>>x>>y;
        int dif=lg[y-x+1];
        out<<min(rmq[dif][x],rmq[dif][y+1-(1<<dif)])<<'\n';
    }
    return 0;
}