#include <fstream>

using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int a[20][100001];
int log[100001];

int n, m, len, x, y, putere;
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        fin>>a[0][i];

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

    for(int i=1;i<=log[n];i++)
        {
        for(int j=1;j+(1<<i)-1<=n;j++)
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i-1))]);
        }
    for(int i=1;i<=m;i++){
        fin>>x>>y;
        len=y-x+1;
        putere=log[len];
        fout<<min(a[putere][x],a[putere][y-(1<<putere)+1])<<"\n";
    }
    return 0;
}