#include <bits/stdc++.h>
using namespace std;
int n, m, i, j, q, rmq[20][100005], lg[100006], x, y;
int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    cin>>n>>q;
    for(i=1;i<=n;i++)
        cin>>rmq[0][i];
    for(i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;
    for(i=1;i<=lg[n];i++)
        for(j=1;j<=n;j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
/**    for(i=1;i<=lg[n];i++,cout<<'\n')
        for(j=1;j<=n;j++)
            cout<<rmq[i][j]<<' ';**/
    while(q)
    {
        q--;
        cin>>x>>y;
        int lgg=lg[y-x];
        cout<<min(rmq[lgg][x],rmq[lgg][y-(1<<lgg)+1])<<'\n';
    }
    ///1,2 2,3 3,4 4,5
    ///1,4 2,5
    return 0;
}