#include <iostream>
#include <fstream>

using namespace std;

ifstream in("rmq.in");
ofstream out("rmq.out");

const int N=1e5+2;
const int LOG=17;
int log[N];
int v[N], r[LOG][N];

int main()
{
    int n, m;
    in>>n>>m;
    for(int i=1; i<=n; i++){
        in>>v[i];
        r[0][i]=v[i];
    }

    log[1]=0;
    for(int i=2; i<=n; i++)
        log[i]=1+log[i/2];

    for(int i=1; (1<<i)<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            int p=1<<(i-1);
            r[i][j]=min(r[i-1][j-p], r[i-1][j]);
        }
    }

    int st, dr;
    for(int i=1; i<=m; i++){
        in>>st>>dr;
        int l=dr-st+1;
        int e=log[l];
        int rez=min(r[e][st+(1<<e)-1], r[e][dr]);
        out<<rez<<'\n';
    }

    return 0;
}