#include <fstream>

using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int rmq[100001][25];
int main()
{
    int n,m,i,p2,j,x,y,dif;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>rmq[i][0];
    i=0;p2=1;j=1;
    while(p2<=n)
    {
        for(i=1;i+p2<=n;i++)
            rmq[i][j]=min(rmq[i][j-1],rmq[i+p2][j-1]);
        p2=p2*2;
        j++;
    }
    for(i=1;i<=m;++i)
    {
        fin>>x>>y;
        dif=y-x;
        p2=1;j=0;
        while(dif>0)
        {
            dif-=p2;
            p2=p2*2;j++;
        }
        if(x!=y){p2/=2;j--;}
        fout<<min(rmq[x][j],rmq[y-p2+1][j])<<'\n';
    }
    return 0;
}