#include <bits/stdc++.h>
#define N 100002
using namespace std;
int lg[N],rmq[20][N],v[N];

int main()
{
    ifstream f("rmq.in");
    ofstream g("rmq.out");

    long int n,m,i,j,l,a,b,dif,s;
    f>>n>>m;
    for(i = 1; i <= n; i++)
        f >> v[i];
    for(i = 1; i <= n; i++)
        rmq[0][i] = v[i];

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

    for(i = 1 ; (1<<i) <= n ; i++)
        for(j = 1 ; j + (1 << i) - 1 <= n ; j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);

    for(i=0 ; i<m; i++)
    {
        f>>a>>b;
        dif=b-a+1;
        l=lg[dif];
        s=dif-(1<<l);
        g<< min(rmq[l][a],rmq[l][a+s])<<endl;
    }
    return 0;
}