#include <fstream>

using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m,p,lung,a[20][100005],i,x,y,j,sol,log[100000];
int main()
{
    fin>>n>>m;

    log[1]=0;
    for(i=2;i<=n;i++)
        log[i]=log[i/2]+1;
    for(i=1;i<=n;i++)
        fin>>a[0][i];
    p=log[n];
    for(i=1;i<=p;i++)
        for(j=1;j+(1<<i)-1<=n;j++)
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i-1))]);
    while(m)
    {
        m--;
        fin>>x>>y;
        int dif=y-x+1;
        p=log[dif];
        sol=min(a[p][x],a[p][y-(1<<p)+1]);
        fout<<sol<<"\n";
    }
    return 0;
}