#include <fstream>

using namespace std;

ifstream f("rmq.in");
ofstream g("rmq.out");

int n,m,lg[100005];
int d[18][100005];

int main()
{

    f>>n>>m;
    for(int i=1; i<=n; i++)
        f>>d[0][i];

    for(int i=2; i<=n; i++)///log2
        lg[i]=lg[i/2]+1;

    for(int i=1; i<=lg[n]; i++)
        for(int j=1; j+(1<<i)-1<=n; j++)
            d[i][j]=min(d[i-1][j],d[i-1][j+(1<<i-1)]);
    for(; m; m--)
    {
        int x,y;
        f>>x>>y;
        int nr=lg[y-x];
        g<<min(d[nr][x],d[nr][y-(1<<nr)+1])<<"\n";
    }

    return 0;

}