#import<fstream>
#import<vector>
#import<cmath>
#import<algorithm>
using namespace std;
int a[100001][18];
main()
{
    ifstream cin("rmq.in");
    ofstream cout("rmq.out");
    int n,q;
    cin>>n>>q;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i][0];
    }
    for(int j=1;(1<<(j-1))<=n;j++)
    {
        for(int i=1;i+(1<<(j-1))<=n;i++)
        {
            a[i][j]=min(a[i][j-1],a[i+(1<<(j-1))][j-1]);
        }
    }
    while(q--)
    {
        int st,dr;
        cin>>st>>dr;
        int lg=(int)log2(dr-st+1);
        cout<<min(a[st][lg],a[dr-(1<<lg)+1][lg])<<'\n';
    }
}