#include <fstream>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m[30][100001],l2[1000001],x,y,t,l;
int main()
{
    f>>n>>t;
    for(int i=1;i<=n;++i)
        f>>m[0][i];
        l2[0]=l2[1]=0;
        for(int i=2;i<=n;++i)
            l2[i]=l2[i>>1]+1;
        for(int i=1;i<=l2[n];++i)
            for(int j=1;j+(1<<(i-1))<=n;++j)
            m[i][j]=min(m[i-1][j],m[i-1][j+(1<<(i-1))]);
        while(t--)
        {
            f>>x>>y;
            l=l2[y-x+1];
            g<<min(m[l][x],m[l][y-(1<<l)+1])<<'\n';

        }


    return 0;
}