#include <fstream>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int rmq[100001][18];
int l2[1000001];
void query(int a, int b){
    int k;
    k = l2[b-a+1];
    cout<<min(rmq[a][k], rmq[b-(1<<k)+1][k])<<'\n';
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    for(int i=2; i<=1000001; i++){
        l2[i] = l2[i/2] + 1;
    }
    int n, q;
    cin>>n>>q;
    for(int i=0; i<n; i++){
        int a;
        cin>>a;
        rmq[i][0] = a;
    }
    for(int j=1; (1<<j)<n; j++){
        for(int i=0; i+(1<<j)<=n; i++)
            rmq[i][j] = min(rmq[i][j-1], rmq[i + (1<<(j-1))][j-1]);
    }
    for(int i=0; i<q; i++){
        int a, b;
        cin>>a>>b;
        query(a-1, b-1);
    }
    return 0;
}