#include <bits/stdc++.h>
#define NMAX 100100
using namespace std;

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

int p2[NMAX+2];
int v[NMAX+2];
int rmq[NMAX+2][17];

int main()
{
    int n,m,j2 = 0;
    fin >> n >> m;
    for(int i = 1; i<=n; i++)
    {
        fin >> rmq[i][0];
        if(i == (1<<(j2+1)))
            j2++;
        p2[i] = j2;
    }
    for(int j = 1; j<=p2[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]);

    for(int i = 1; i<=m; i++)
    {
        int x,y;
        fin >> x >> y;
        int l = p2[y-x+1];
        fout << min(rmq[x][l], rmq[y-(1<<l)+1][l]) << '\n';
    }
    return 0;
}