#include <bits/stdc++.h>
#define ll long long
#define MOD 1e9+7
#define FAST ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define LONG_MAX 1LL << 63
#define LONG_MIN -1LL << 63
#define INT_MAX 1<<31 -1
#define INT_MIN -1<<31 +1

using namespace std;
string fis="rmq";
ifstream fin(fis+".in");
ofstream fout(fis+".out");


int n , m;
int v[1005];
int r[17][100010] , E[100010];
int main()
{
    fin >> n >> m;
    for(int i = 1; i <= n ; ++i)
        fin >> r[0][i];

    for(int p =1 ; (1 << p) <= n ; ++p)
    {
        for(int i = 1; i <= n ; ++i)
        {
            r[p][i] = r[p - 1][i];
            int j = (1 << (p - 1)) + i;
            if(j <= n && r[p][i] > r[p - 1][j])
            {
                r[p][i] = r[p - 1][j];
            }
        }
    }

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

    for(int q = 1 ; q <= m ; ++q)
    {
        int st , dr;
        fin >> st >> dr;
        int e = E[dr - st + 1];
        int len = (1 << e);
        fout << min(r[e][st] , r[e][dr - len + 1])<<"\n";
    }
}