#include <iostream>
#include <cmath>
using namespace std;

int n,m,a[100005],x,y,rmq[100005][20];

void precalc()
{
    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]);
}
int query(int x, int y)
{
    int k=log2(y-x+1);
    int rez=min(rmq[x][k], rmq[y-(1<<k)+1][k]);
    return rez;
}

int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        rmq[i][0]=a[i];
    }
    precalc();
    for(int i=1;i<=m;i++)
    {
        cin>>x>>y;
        cout<<query(x,y)<<endl;
    }
    return 0;
}