#include<fstream>

using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");

int x,y,n,m,i,j,k,log[100005],a[30][100005];

int main()
{
    in>>n>>m;
    for (i=1;i<=n;i++)
        in>>a[0][i];
    log[1]=0;
    for (i=2;i<=n;i++)
        log[i]=log[i/2]+1;

    for (i=1;i<=log[n];i++)
        for (j=1;j<=n-(1<<i)+1;j++)
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i-1))]);

    for (i=1;i<=m;i++)
    {
        in>>x>>y;
        k=log[y-x+1];
        out<<min(a[k][x],a[k][y-(1<<k)+1])<<'\n';
    }
}